85145392 has 20 divisors (see below), whose sum is σ = 170658720. Its totient is φ = 41104448.

The previous prime is 85145377. The next prime is 85145443. The reversal of 85145392 is 29354158.

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, 91288 + ... + 92215.

It is an arithmetic number, because the mean of its divisors is an integer number (8532936).

Almost surely, 2^85145392 is an apocalyptic number.

It is an amenable number.

85145392 is an abundant number, since it is smaller than the sum of its proper divisors (85513328).

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

85145392 is a wasteful number, since it uses less digits than its factorization.

85145392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183540 (or 183534 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 85145392 is about 9227.4260766478. The cubic root of 85145392 is about 439.9335161256.

The spelling of 85145392 in words is "eighty-five million, one hundred forty-five thousand, three hundred ninety-two".