157904808 has 32 divisors (see below), whose sum is σ = 402213600. Its totient is φ = 51641408.

The previous prime is 157904807. The next prime is 157904809. The reversal of 157904808 is 808409751.

It is an interprime number because it is at equal distance from previous prime (157904807) and next prime (157904809).

It is a self number, because there is not a number n which added to its sum of digits gives 157904808.

It is not an unprimeable number, because it can be changed into a prime (157904807) 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, 60798 + ... + 63341.

It is an arithmetic number, because the mean of its divisors is an integer number (12569175).

Almost surely, 2^157904808 is an apocalyptic number.

It is an amenable number.

157904808 is an abundant number, since it is smaller than the sum of its proper divisors (244308792).

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

157904808 is a wasteful number, since it uses less digits than its factorization.

157904808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124201 (or 124197 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 157904808 is about 12566.0179850261. The cubic root of 157904808 is about 540.5034262721.

The spelling of 157904808 in words is "one hundred fifty-seven million, nine hundred four thousand, eight hundred eight".