157328906 has 24 divisors (see below), whose sum is σ = 283383936. Its totient is φ = 65250360.

The previous prime is 157328893. The next prime is 157328929. The reversal of 157328906 is 609823751.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22856 + ... + 28931.

It is an arithmetic number, because the mean of its divisors is an integer number (11807664).

Almost surely, 2^157328906 is an apocalyptic number.

157328906 is a deficient number, since it is larger than the sum of its proper divisors (126055030).

157328906 is a wasteful number, since it uses less digits than its factorization.

157328906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51834 (or 51827 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 157328906 is about 12543.0819976591. The cubic root of 157328906 is about 539.8455273749.

The spelling of 157328906 in words is "one hundred fifty-seven million, three hundred twenty-eight thousand, nine hundred six".