859285945 has 16 divisors (see below), whose sum is σ = 1179216000. Its totient is φ = 588841344.

The previous prime is 859285943. The next prime is 859285981. The reversal of 859285945 is 549582958.

It is not a de Polignac number, because 859285945 - 2¹ = 859285943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (859285943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53181 + ... + 67429.

It is an arithmetic number, because the mean of its divisors is an integer number (73701000).

Almost surely, 2^859285945 is an apocalyptic number.

It is an amenable number.

859285945 is a deficient number, since it is larger than the sum of its proper divisors (319930055).

859285945 is a wasteful number, since it uses less digits than its factorization.

859285945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15984.

The product of its digits is 5184000, while the sum is 55.

The square root of 859285945 is about 29313.5795323601. The cubic root of 859285945 is about 950.7052731413.

The spelling of 859285945 in words is "eight hundred fifty-nine million, two hundred eighty-five thousand, nine hundred forty-five".