85902156 has 36 divisors (see below), whose sum is σ = 229916232. Its totient is φ = 26949504.

The previous prime is 85902143. The next prime is 85902163. The reversal of 85902156 is 65120958.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 85902156.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 69570 + ... + 70793.

It is an arithmetic number, because the mean of its divisors is an integer number (6386562).

Almost surely, 2^85902156 is an apocalyptic number.

It is an amenable number.

85902156 is an abundant number, since it is smaller than the sum of its proper divisors (144014076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85902156 is a wasteful number, since it uses less digits than its factorization.

85902156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140390 (or 140385 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 85902156 is about 9268.3415992291. The cubic root of 85902156 is about 441.2330358594.

The spelling of 85902156 in words is "eighty-five million, nine hundred two thousand, one hundred fifty-six".