157315406 has 8 divisors (see below), whose sum is σ = 236053440. Its totient is φ = 78630928.

The previous prime is 157315393. The next prime is 157315427. The reversal of 157315406 is 604513751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4991 + ... + 18426.

It is an arithmetic number, because the mean of its divisors is an integer number (29506680).

Almost surely, 2^157315406 is an apocalyptic number.

157315406 is a deficient number, since it is larger than the sum of its proper divisors (78738034).

157315406 is a wasteful number, since it uses less digits than its factorization.

157315406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26778.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 157315406 is about 12542.5438408642. The cubic root of 157315406 is about 539.8300860017.

The spelling of 157315406 in words is "one hundred fifty-seven million, three hundred fifteen thousand, four hundred six".