45408072 has 32 divisors (see below), whose sum is σ = 118457280. Its totient is φ = 14477760.

The previous prime is 45408061. The next prime is 45408079. The reversal of 45408072 is 27080454.

It is not an unprimeable number, because it can be changed into a prime (45408079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40579 + ... + 41682.

It is an arithmetic number, because the mean of its divisors is an integer number (3701790).

Almost surely, 2^45408072 is an apocalyptic number.

It is an amenable number.

45408072 is an abundant number, since it is smaller than the sum of its proper divisors (73049208).

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

45408072 is a wasteful number, since it uses less digits than its factorization.

45408072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82293 (or 82289 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 45408072 is about 6738.5511795934. The cubic root of 45408072 is about 356.7612586718.

The spelling of 45408072 in words is "forty-five million, four hundred eight thousand, seventy-two".