157957015 has 8 divisors (see below), whose sum is σ = 190155888. Its totient is φ = 125960640.

The previous prime is 157957003. The next prime is 157957021. The reversal of 157957015 is 510759751.

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

It is not a de Polignac number, because 157957015 - 2¹³ = 157948823 is a prime.

It is a Duffinian number.

It is a congruent 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, 48901 + ... + 52030.

It is an arithmetic number, because the mean of its divisors is an integer number (23769486).

Almost surely, 2^157957015 is an apocalyptic number.

157957015 is a deficient number, since it is larger than the sum of its proper divisors (32198873).

157957015 is a wasteful number, since it uses less digits than its factorization.

157957015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101249.

The product of its (nonzero) digits is 55125, while the sum is 40.

The square root of 157957015 is about 12568.0951221734. The cubic root of 157957015 is about 540.5629873740.

The spelling of 157957015 in words is "one hundred fifty-seven million, nine hundred fifty-seven thousand, fifteen".