157901552 has 20 divisors (see below), whose sum is σ = 322036680. Its totient is φ = 74795328.

The previous prime is 157901551. The next prime is 157901561. The reversal of 157901552 is 255109751.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157901551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259403 + ... + 260010.

It is an arithmetic number, because the mean of its divisors is an integer number (16101834).

Almost surely, 2^157901552 is an apocalyptic number.

It is an amenable number.

157901552 is an abundant number, since it is smaller than the sum of its proper divisors (164135128).

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

157901552 is a wasteful number, since it uses less digits than its factorization.

157901552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519440 (or 519434 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 35.

The square root of 157901552 is about 12565.8884285991. Note that the first 3 decimals coincide. The cubic root of 157901552 is about 540.4997111831.

The spelling of 157901552 in words is "one hundred fifty-seven million, nine hundred one thousand, five hundred fifty-two".