157320874 has 16 divisors (see below), whose sum is σ = 259202880. Its totient is φ = 71280000.

The previous prime is 157320871. The next prime is 157320883. The reversal of 157320874 is 478023751.

It is a super-2 number, since 2×157320874² = 49499714792247752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157320871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89127 + ... + 90874.

It is an arithmetic number, because the mean of its divisors is an integer number (16200180).

Almost surely, 2^157320874 is an apocalyptic number.

157320874 is a deficient number, since it is larger than the sum of its proper divisors (101882006).

157320874 is a wasteful number, since it uses less digits than its factorization.

157320874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180045.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 157320874 is about 12542.7618170800. The cubic root of 157320874 is about 539.8363404362.

The spelling of 157320874 in words is "one hundred fifty-seven million, three hundred twenty thousand, eight hundred seventy-four".