85009146 has 32 divisors (see below), whose sum is σ = 181725120. Its totient is φ = 26416896.

The previous prime is 85009139. The next prime is 85009159. The reversal of 85009146 is 64190058.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7020 + ... + 14808.

It is an arithmetic number, because the mean of its divisors is an integer number (5678910).

Almost surely, 2^85009146 is an apocalyptic number.

85009146 is an abundant number, since it is smaller than the sum of its proper divisors (96715974).

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

85009146 is a wasteful number, since it uses less digits than its factorization.

85009146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7918.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 85009146 is about 9220.0404554427. The cubic root of 85009146 is about 439.6987366127.

The spelling of 85009146 in words is "eighty-five million, nine thousand, one hundred forty-six".