157269904 has 40 divisors (see below), whose sum is σ = 337398048. Its totient is φ = 70414080.

The previous prime is 157269829. The next prime is 157269911. The reversal of 157269904 is 409962751.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5124 + ... + 18460.

Almost surely, 2^157269904 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 157269904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168699024).

157269904 is an abundant number, since it is smaller than the sum of its proper divisors (180128144).

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

157269904 is a wasteful number, since it uses less digits than its factorization.

157269904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13423 (or 13417 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 157269904 is about 12540.7298033248. The cubic root of 157269904 is about 539.7780340596.

The spelling of 157269904 in words is "one hundred fifty-seven million, two hundred sixty-nine thousand, nine hundred four".