157232328 has 32 divisors (see below), whose sum is σ = 428816160. Its totient is φ = 47646080.

The previous prime is 157232311. The next prime is 157232329. The reversal of 157232328 is 823232751.

157232328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (157232329) 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, 297525 + ... + 298052.

It is an arithmetic number, because the mean of its divisors is an integer number (13400505).

Almost surely, 2^157232328 is an apocalyptic number.

It is an amenable number.

157232328 is an abundant number, since it is smaller than the sum of its proper divisors (271583832).

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

157232328 is a wasteful number, since it uses less digits than its factorization.

157232328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595597 (or 595593 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 157232328 is about 12539.2315554024. The cubic root of 157232328 is about 539.7350414834.

The spelling of 157232328 in words is "one hundred fifty-seven million, two hundred thirty-two thousand, three hundred twenty-eight".