157315 has 8 divisors (see below), whose sum is σ = 191808. Its totient is φ = 123840.

The previous prime is 157307. The next prime is 157321. The reversal of 157315 is 513751.

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

It is not a de Polignac number, because 157315 - 2³ = 157307 is a prime.

It is a Duffinian 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, 150 + ... + 580.

It is an arithmetic number, because the mean of its divisors is an integer number (23976).

2¹⁵⁷³¹⁵ is an apocalyptic number.

157315 is a deficient number, since it is larger than the sum of its proper divisors (34493).

157315 is an equidigital number, since it uses as much as digits as its factorization.

157315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509.

The product of its digits is 525, while the sum is 22.

The square root of 157315 is about 396.6295500842. The cubic root of 157315 is about 53.9829621603.

It can be divided in two parts, 157 and 315, that multiplied together give a triangular number (49455 = T₃₁₄).

The spelling of 157315 in words is "one hundred fifty-seven thousand, three hundred fifteen".