45515288 has 64 divisors (see below), whose sum is σ = 106229760. Its totient is φ = 17801856.

The previous prime is 45515269. The next prime is 45515293. The reversal of 45515288 is 88251554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74681 + ... + 75287.

It is an arithmetic number, because the mean of its divisors is an integer number (1659840).

Almost surely, 2^45515288 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 45515288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53114880).

45515288 is an abundant number, since it is smaller than the sum of its proper divisors (60714472).

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

45515288 is a wasteful number, since it uses less digits than its factorization.

45515288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 732 counting only the distinct ones).

The product of its digits is 64000, while the sum is 38.

The square root of 45515288 is about 6746.5019083967. The cubic root of 45515288 is about 357.0418288258.

The spelling of 45515288 in words is "forty-five million, five hundred fifteen thousand, two hundred eighty-eight".