240157915 has 16 divisors (see below), whose sum is σ = 293838336. Its totient is φ = 188380800.

The previous prime is 240157909. The next prime is 240157919. The reversal of 240157915 is 519751042.

It is a de Polignac number, because none of the positive numbers 2^k-240157915 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240157919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112710 + ... + 114820.

It is an arithmetic number, because the mean of its divisors is an integer number (18364896).

Almost surely, 2^240157915 is an apocalyptic number.

240157915 is a deficient number, since it is larger than the sum of its proper divisors (53680421).

240157915 is a wasteful number, since it uses less digits than its factorization.

240157915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 240157915 is about 15497.0292314366. The cubic root of 240157915 is about 621.5827709246.

The spelling of 240157915 in words is "two hundred forty million, one hundred fifty-seven thousand, nine hundred fifteen".