157931752 has 16 divisors (see below), whose sum is σ = 323042400. Its totient is φ = 71787120.

The previous prime is 157931749. The next prime is 157931759. The reversal of 157931752 is 257139751.

157931752 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 (157931759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897252 + ... + 897427.

It is an arithmetic number, because the mean of its divisors is an integer number (20190150).

Almost surely, 2^157931752 is an apocalyptic number.

It is an amenable number.

157931752 is an abundant number, since it is smaller than the sum of its proper divisors (165110648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157931752 is a wasteful number, since it uses less digits than its factorization.

157931752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794696 (or 1794692 counting only the distinct ones).

The product of its digits is 66150, while the sum is 40.

The square root of 157931752 is about 12567.0900370770. The cubic root of 157931752 is about 540.5341673586.

The spelling of 157931752 in words is "one hundred fifty-seven million, nine hundred thirty-one thousand, seven hundred fifty-two".