45511685 has 4 divisors (see below), whose sum is σ = 54614028. Its totient is φ = 36409344.

The previous prime is 45511667. The next prime is 45511699. The reversal of 45511685 is 58611554.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14853316 + 30658369 = 3854^2 + 5537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45511685 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4551164 + ... + 4551173.

It is an arithmetic number, because the mean of its divisors is an integer number (13653507).

Almost surely, 2^45511685 is an apocalyptic number.

It is an amenable number.

45511685 is a deficient number, since it is larger than the sum of its proper divisors (9102343).

45511685 is an equidigital number, since it uses as much as digits as its factorization.

45511685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9102342.

The product of its digits is 24000, while the sum is 35.

The square root of 45511685 is about 6746.2348758400. The cubic root of 45511685 is about 357.0324074078.

The spelling of 45511685 in words is "forty-five million, five hundred eleven thousand, six hundred eighty-five".