The Number 45: Properties and Meanings

Prime Factors of 45=3x3x5.

45 can be Partitioned 75175 ways.

45 can be Partitioned 23 times with each term no larger than 2.

45 can be Partitioned 192 times with each term no larger than 3.

45 can be Partitioned 864 times with each term no larger than 4.

45 is a Triangular Number.

45 is a Hexagonal Number.

45 is a Super Catalan Number.

45 is a 16-gonal Number.

The Chemical Element Rhodium has an atomic number of 45.

The Chemical Element Scandium has one Stable Isotope. It has 45 neutrons.

The Year 45 AD

In the year 45 AD King Kushtashpi III of Hatti died in a battle against the Sarmatians. He was succeeded by his son, who reigned as King Tudhaliyas VII