157001515 has 16 divisors (see below), whose sum is σ = 212161536. Its totient is φ = 110498400.

The previous prime is 157001497. The next prime is 157001521. The reversal of 157001515 is 515100751.

It is not a de Polignac number, because 157001515 - 2¹¹ = 156999467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157001515.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44337 + ... + 47746.

It is an arithmetic number, because the mean of its divisors is an integer number (13260096).

Almost surely, 2^157001515 is an apocalyptic number.

157001515 is a deficient number, since it is larger than the sum of its proper divisors (55160021).

157001515 is a wasteful number, since it uses less digits than its factorization.

157001515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92130.

The product of its (nonzero) digits is 875, while the sum is 25.

The square root of 157001515 is about 12530.0245410773. The cubic root of 157001515 is about 539.4708064403.

The spelling of 157001515 in words is "one hundred fifty-seven million, one thousand, five hundred fifteen".