157982315 has 8 divisors (see below), whose sum is σ = 192408720. Its totient is φ = 124499232.

The previous prime is 157982299. The next prime is 157982323. The reversal of 157982315 is 513289751.

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

It is a cyclic number.

It is not a de Polignac number, because 157982315 - 2⁴ = 157982299 is a prime.

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, 235460 + ... + 236129.

It is an arithmetic number, because the mean of its divisors is an integer number (24051090).

Almost surely, 2^157982315 is an apocalyptic number.

157982315 is a deficient number, since it is larger than the sum of its proper divisors (34426405).

157982315 is an equidigital number, since it uses as much as digits as its factorization.

157982315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471661.

The product of its digits is 75600, while the sum is 41.

The square root of 157982315 is about 12569.1015987619. The cubic root of 157982315 is about 540.5918465196.

The spelling of 157982315 in words is "one hundred fifty-seven million, nine hundred eighty-two thousand, three hundred fifteen".