45218660 has 24 divisors (see below), whose sum is σ = 95255160. Its totient is φ = 18031104.

The previous prime is 45218647. The next prime is 45218707. The reversal of 45218660 is 6681254.

It can be written as a sum of positive squares in 4 ways, for example, as 3564544 + 41654116 = 1888^2 + 6454^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3386 + ... + 10094.

It is an arithmetic number, because the mean of its divisors is an integer number (3968965).

Almost surely, 2^45218660 is an apocalyptic number.

It is an amenable number.

45218660 is an abundant number, since it is smaller than the sum of its proper divisors (50036500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45218660 is a wasteful number, since it uses less digits than its factorization.

45218660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7055 (or 7053 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 45218660 is about 6724.4821361946. The cubic root of 45218660 is about 356.2645111561.

The spelling of 45218660 in words is "forty-five million, two hundred eighteen thousand, six hundred sixty".