157419904 has 64 divisors (see below), whose sum is σ = 330002640. Its totient is φ = 74704896.

The previous prime is 157419893. The next prime is 157419919. The reversal of 157419904 is 409914751.

It is a tau number, because it is divible by the number of its divisors (64).

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, 203262 + ... + 204034.

Almost surely, 2^157419904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157419904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165001320).

157419904 is an abundant number, since it is smaller than the sum of its proper divisors (172582736).

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

157419904 is an equidigital number, since it uses as much as digits as its factorization.

157419904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 157419904 is about 12546.7088911794. The cubic root of 157419904 is about 539.9495883438.

The spelling of 157419904 in words is "one hundred fifty-seven million, four hundred nineteen thousand, nine hundred four".