85715042 has 16 divisors (see below), whose sum is σ = 154674240. Its totient is φ = 34801488.

The previous prime is 85715041. The next prime is 85715057. The reversal of 85715042 is 24051758.

It is not an unprimeable number, because it can be changed into a prime (85715041) 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 7 ways as a sum of consecutive naturals, for example, 160853 + ... + 161384.

It is an arithmetic number, because the mean of its divisors is an integer number (9667140).

Almost surely, 2^85715042 is an apocalyptic number.

85715042 is a deficient number, since it is larger than the sum of its proper divisors (68959198).

85715042 is a wasteful number, since it uses less digits than its factorization.

85715042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322265.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 85715042 is about 9258.2418417322. The cubic root of 85715042 is about 440.9124350732.

The spelling of 85715042 in words is "eighty-five million, seven hundred fifteen thousand, forty-two".