157538872 has 8 divisors (see below), whose sum is σ = 295385400. Its totient is φ = 78769432.

The previous prime is 157538867. The next prime is 157538879. The reversal of 157538872 is 278835751.

157538872 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) 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 (157538879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9846172 + ... + 9846187.

It is an arithmetic number, because the mean of its divisors is an integer number (36923175).

Almost surely, 2^157538872 is an apocalyptic number.

It is an amenable number.

157538872 is a deficient number, since it is larger than the sum of its proper divisors (137846528).

157538872 is a wasteful number, since it uses less digits than its factorization.

157538872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19692365 (or 19692361 counting only the distinct ones).

The product of its digits is 470400, while the sum is 46.

The square root of 157538872 is about 12551.4490000159. The cubic root of 157538872 is about 540.0855740012.

The spelling of 157538872 in words is "one hundred fifty-seven million, five hundred thirty-eight thousand, eight hundred seventy-two".