150

Properties by base:

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 4 (3 unique) factors are:
2
3
5² = 25

Its 12 divisors are:
1
2
3
5
6
10
15
25
30
50
75
150
Its aliquote sum is:
222
makeing it a abundant number.

In the work of Johann Sebastian Bach BWV 150 is Nach dir, Herr, verlanget mich

The number appears at position 1114 of the decimal digits of π surrounded by
7913151557485724245415069595082953311686172 Source: The Pi-Search Page

Computations done with Math::BigInt 1.999811 and Math::Pari 2.030523 based on PARI/GP 2.11.3 (elapsed: 1011.168ms; cpu: 95.5760000000012ms)