45920216 has 32 divisors (see below), whose sum is σ = 88862400. Its totient is φ = 22233120.

The previous prime is 45920191. The next prime is 45920221. The reversal of 45920216 is 61202954.

It is a happy number.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 44555 + ... + 45573.

It is an arithmetic number, because the mean of its divisors is an integer number (2776950).

Almost surely, 2^45920216 is an apocalyptic number.

It is an amenable number.

45920216 is a deficient number, since it is larger than the sum of its proper divisors (42942184).

45920216 is a wasteful number, since it uses less digits than its factorization.

45920216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 45920216 is about 6776.4456760163. The cubic root of 45920216 is about 358.0975151270.

The spelling of 45920216 in words is "forty-five million, nine hundred twenty thousand, two hundred sixteen".