45231585 has 32 divisors (see below), whose sum is σ = 83580672. Its totient is φ = 20459520.

The previous prime is 45231581. The next prime is 45231601. The reversal of 45231585 is 58513254.

45231585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45231585 - 2² = 45231581 is a prime.

It is a super-2 number, since 2×45231585² = 4091792563224450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45231581) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7965 + ... + 12405.

It is an arithmetic number, because the mean of its divisors is an integer number (2611896).

Almost surely, 2^45231585 is an apocalyptic number.

It is an amenable number.

45231585 is a deficient number, since it is larger than the sum of its proper divisors (38349087).

45231585 is a wasteful number, since it uses less digits than its factorization.

45231585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4553.

The product of its digits is 24000, while the sum is 33.

The square root of 45231585 is about 6725.4431080785. The cubic root of 45231585 is about 356.2984520126.

The spelling of 45231585 in words is "forty-five million, two hundred thirty-one thousand, five hundred eighty-five".