85444156 has 24 divisors (see below), whose sum is σ = 171319680. Its totient is φ = 36526512.

The previous prime is 85444141. The next prime is 85444171. The reversal of 85444156 is 65144458.

It is an interprime number because it is at equal distance from previous prime (85444141) and next prime (85444171).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8091 + ... + 15373.

It is an arithmetic number, because the mean of its divisors is an integer number (7138320).

Almost surely, 2^85444156 is an apocalyptic number.

It is an amenable number.

85444156 is an abundant number, since it is smaller than the sum of its proper divisors (85875524).

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

85444156 is a wasteful number, since it uses less digits than its factorization.

85444156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7713 (or 7711 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

The square root of 85444156 is about 9243.6008135358. The cubic root of 85444156 is about 440.4474717726.

The spelling of 85444156 in words is "eighty-five million, four hundred forty-four thousand, one hundred fifty-six".