157504406 has 4 divisors (see below), whose sum is σ = 236256612. Its totient is φ = 78752202.

The previous prime is 157504363. The next prime is 157504409. The reversal of 157504406 is 604405751.

157504406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157504409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39376100 + ... + 39376103.

It is an arithmetic number, because the mean of its divisors is an integer number (59064153).

Almost surely, 2^157504406 is an apocalyptic number.

157504406 is a deficient number, since it is larger than the sum of its proper divisors (78752206).

157504406 is an equidigital number, since it uses as much as digits as its factorization.

157504406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78752205.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 157504406 is about 12550.0759360252. The cubic root of 157504406 is about 540.0461848930.

The spelling of 157504406 in words is "one hundred fifty-seven million, five hundred four thousand, four hundred six".