150531172 has 24 divisors (see below), whose sum is σ = 294390432. Its totient is φ = 66753600.

The previous prime is 150531169. The next prime is 150531179. The reversal of 150531172 is 271135051.

150531172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (150531179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39918 + ... + 43525.

It is an arithmetic number, because the mean of its divisors is an integer number (12266268).

Almost surely, 2^150531172 is an apocalyptic number.

It is an amenable number.

150531172 is a deficient number, since it is larger than the sum of its proper divisors (143859260).

150531172 is a wasteful number, since it uses less digits than its factorization.

150531172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83499 (or 83497 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 150531172 is about 12269.1145564788. The cubic root of 150531172 is about 531.9557173837.

The spelling of 150531172 in words is "one hundred fifty million, five hundred thirty-one thousand, one hundred seventy-two".