157404988 has 24 divisors (see below), whose sum is σ = 297361008. Its totient is φ = 72473856.

The previous prime is 157404977. The next prime is 157405007. The reversal of 157404988 is 889404751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19620 + ... + 26452.

It is an arithmetic number, because the mean of its divisors is an integer number (12390042).

Almost surely, 2^157404988 is an apocalyptic number.

It is an amenable number.

157404988 is a deficient number, since it is larger than the sum of its proper divisors (139956020).

157404988 is a wasteful number, since it uses less digits than its factorization.

157404988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7293 (or 7291 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 157404988 is about 12546.1144582695. The cubic root of 157404988 is about 539.9325338667.

The spelling of 157404988 in words is "one hundred fifty-seven million, four hundred four thousand, nine hundred eighty-eight".