45518216 has 16 divisors (see below), whose sum is σ = 85424640. Its totient is φ = 22738320.

The previous prime is 45518189. The next prime is 45518227. The reversal of 45518216 is 61281554.

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, 10721 + ... + 14351.

It is an arithmetic number, because the mean of its divisors is an integer number (5339040).

Almost surely, 2^45518216 is an apocalyptic number.

It is an amenable number.

45518216 is a deficient number, since it is larger than the sum of its proper divisors (39906424).

45518216 is a wasteful number, since it uses less digits than its factorization.

45518216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204 (or 5200 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 45518216 is about 6746.7189062536. The cubic root of 45518216 is about 357.0494848325.

The spelling of 45518216 in words is "forty-five million, five hundred eighteen thousand, two hundred sixteen".