45515456 has 56 divisors (see below), whose sum is σ = 103875840. Its totient is φ = 19383552.

The previous prime is 45515447. The next prime is 45515461. The reversal of 45515456 is 65451554.

It is a tau number, because it is divible by the number of its divisors (56).

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, 126605 + ... + 126963.

Almost surely, 2^45515456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45515456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51937920).

45515456 is an abundant number, since it is smaller than the sum of its proper divisors (58360384).

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

45515456 is a wasteful number, since it uses less digits than its factorization.

45515456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 651 counting only the distinct ones).

The product of its digits is 60000, while the sum is 35.

The square root of 45515456 is about 6746.5143592821. The cubic root of 45515456 is about 357.0422681137.

The spelling of 45515456 in words is "forty-five million, five hundred fifteen thousand, four hundred fifty-six".