85015156 has 12 divisors (see below), whose sum is σ = 148925700. Its totient is φ = 42464960.

The previous prime is 85015123. The next prime is 85015163. The reversal of 85015156 is 65151058.

It can be written as a sum of positive squares in 2 ways, for example, as 34035556 + 50979600 = 5834^2 + 7140^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5935 + ... + 14326.

It is an arithmetic number, because the mean of its divisors is an integer number (12410475).

Almost surely, 2^85015156 is an apocalyptic number.

It is an amenable number.

85015156 is a deficient number, since it is larger than the sum of its proper divisors (63910544).

85015156 is a wasteful number, since it uses less digits than its factorization.

85015156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21314 (or 21312 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 31.

The square root of 85015156 is about 9220.3663701612. The cubic root of 85015156 is about 439.7090983492.

The spelling of 85015156 in words is "eighty-five million, fifteen thousand, one hundred fifty-six".