85402845 has 48 divisors (see below), whose sum is σ = 165889152. Its totient is φ = 40279680.

The previous prime is 85402843. The next prime is 85402897. The reversal of 85402845 is 54820458.

It is not a de Polignac number, because 85402845 - 2¹ = 85402843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85402843) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15984 + ... + 20646.

It is an arithmetic number, because the mean of its divisors is an integer number (3456024).

Almost surely, 2^85402845 is an apocalyptic number.

It is an amenable number.

85402845 is a deficient number, since it is larger than the sum of its proper divisors (80486307).

85402845 is a wasteful number, since it uses less digits than its factorization.

85402845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722 (or 4719 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 85402845 is about 9241.3659704613. The cubic root of 85402845 is about 440.3764770257.

The spelling of 85402845 in words is "eighty-five million, four hundred two thousand, eight hundred forty-five".