45448218 has 24 divisors (see below), whose sum is σ = 98654400. Its totient is φ = 15121224.

The previous prime is 45448187. The next prime is 45448237. The reversal of 45448218 is 81284454.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9103 + ... + 13181.

It is an arithmetic number, because the mean of its divisors is an integer number (4110600).

Almost surely, 2^45448218 is an apocalyptic number.

45448218 is an abundant number, since it is smaller than the sum of its proper divisors (53206182).

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

45448218 is a wasteful number, since it uses less digits than its factorization.

45448218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4706 (or 4703 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 45448218 is about 6741.5293517124. The cubic root of 45448218 is about 356.8663671397.

The spelling of 45448218 in words is "forty-five million, four hundred forty-eight thousand, two hundred eighteen".