85145916 has 24 divisors (see below), whose sum is σ = 209130880. Its totient is φ = 26888112.

The previous prime is 85145903. The next prime is 85145923. The reversal of 85145916 is 61954158.

It is a super-2 number, since 2×85145916² = 14499654022958112, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 186496 + ... + 186951.

Almost surely, 2^85145916 is an apocalyptic number.

It is an amenable number.

85145916 is an abundant number, since it is smaller than the sum of its proper divisors (123984964).

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

85145916 is a wasteful number, since it uses less digits than its factorization.

85145916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373473 (or 373471 counting only the distinct ones).

The product of its digits is 43200, while the sum is 39.

The square root of 85145916 is about 9227.4544702209. The cubic root of 85145916 is about 439.9344186003.

The spelling of 85145916 in words is "eighty-five million, one hundred forty-five thousand, nine hundred sixteen".