45218170 has 8 divisors (see below), whose sum is σ = 81392724. Its totient is φ = 18087264.

The previous prime is 45218167. The next prime is 45218179. The reversal of 45218170 is 7181254.

It can be written as a sum of positive squares in 2 ways, for example, as 43441281 + 1776889 = 6591^2 + 1333^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (45218179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2260899 + ... + 2260918.

Almost surely, 2^45218170 is an apocalyptic number.

45218170 is a deficient number, since it is larger than the sum of its proper divisors (36174554).

45218170 is a wasteful number, since it uses less digits than its factorization.

45218170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4521824.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 45218170 is about 6724.4457020635. The cubic root of 45218170 is about 356.2632242962.

The spelling of 45218170 in words is "forty-five million, two hundred eighteen thousand, one hundred seventy".