157556004 has 24 divisors (see below), whose sum is σ = 367855488. Its totient is φ = 52486560.

The previous prime is 157555997. The next prime is 157556023. The reversal of 157556004 is 400655751.

157556004 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

157556004 is strictly pandigital in base 9.

It is an unprimeable number.

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, 24574 + ... + 30314.

It is an arithmetic number, because the mean of its divisors is an integer number (15327312).

Almost surely, 2^157556004 is an apocalyptic number.

It is an amenable number.

157556004 is an abundant number, since it is smaller than the sum of its proper divisors (210299484).

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

157556004 is a wasteful number, since it uses less digits than its factorization.

157556004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8035 (or 8033 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 157556004 is about 12552.1314524665. The cubic root of 157556004 is about 540.1051509910.

The spelling of 157556004 in words is "one hundred fifty-seven million, five hundred fifty-six thousand, four".