175 (one hundred [and] seventy-five) is the natural number following 174 and preceding 176.
175 is an odd number, a composite number, and a deficient number. It is a decagonal number, a 19-gonal number, and a centered 29-gonal number.
175 is an Ulam number, and a Zuckerman number. It is the magic constant of the n×n normal magic square and n-Queens Problem for n = 7.
In base 10, raising the digits of 175 to powers of successive integers equals itself: 175 = 11 + 72+ 53. 135, 518, 598, and 1306 also have this property.
175 Andromache is a large and primitive main belt asteroid
175 Greenwich Street, Manhattan
USCG coastal buoy tender is a 175-foot United States Coast Guard Keeper class of coastal buoy tender
USNS Sgt. Curtis F. Shoup (T-AG-175) was a United States Navy Alamosa-class cargo ship following World War II
USS Craighead (AK-175) was a United States Navy Alamosa-class cargo ship following World War II
USS Emeline (SP-175) was a yacht during World War I
USS Karnes (APA-175) was a United States Navy Haskell-class attack transport during World War II
USS MacKenzie (DD-175) was a United States Navy Wickes class destroyer during World War I
USS Oceanside (LSM-175) was a United States Navy LSM-1-class landing ship medium during World War II
USS Pennewill (DE-175) was a United States Navy Cannon class destroyer escort ship during World War II
USS Starlight (AP-175) was a United States Navy Storm King class auxiliary transport during World War II
USS Tarpon (SS-175) was a Porpoise-class diesel-electric submarine during World War II
The 175th Battalion, CEF was a unit in the Canadian Expeditionary Force during World War I
The 175th Fighter Squadron unit of the South Dakota Air National Guard
U-175 was a German Type IXC U-Boat during World War II
Paragraph 175, a 2000 documentary on the topic, narrated by Rupert Everett
The Gibson ES-175 jazz guitar
175R is a Japanese ska punk band
The song "175" by Big D and the Kids Table, off their How It Goes CD (2004)
The Bible says that Abraham lived to be 175 years old.
The Sears Craftsman 175 was a NASCAR Craftsman Truck Series race held at Chicago Motor Speedway in 2000 & 2001
A flying disc used in Ultimate weighs 175 grams
United Airlines Flight 175, a Boston-Los Angeles flight which crashed into the South Tower of the World Trade Center after being hijacked by terrorists in New York City on September 11, 2001
The 2006 documentary Flight 175: As the World Watched
Cessna 175 Skylark single-engine airplane
Embraer E-Jets E-175 jetliners
British Rail Class 175
The 175th Street—George Washington Bridge Bus Terminal subway station in Manhattan
174th–175th Streets subway station in the Bronx
Peugeot Type 175 car produced from 1923–1924
175 is also:
The year AD 175 or 175 BC
175 AH is a year in the Islamic calendar that corresponds to 791 – 792 CE
The atomic number of an element temporarily called Unseptpentium
Paragraph 175, a provision of the German Criminal Code that made homosexual acts between males a crime, and in early revisions the provision also criminalized bestiality. Also a 2000 documentary, Paragraph 175
