45440788 has 6 divisors (see below), whose sum is σ = 79521386. Its totient is φ = 22720392.

The previous prime is 45440783. The next prime is 45440827. The reversal of 45440788 is 88704454.

It can be written as a sum of positive squares in only one way, i.e., 24482704 + 20958084 = 4948^2 + 4578^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45440788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45440783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5680095 + ... + 5680102.

Almost surely, 2^45440788 is an apocalyptic number.

It is an amenable number.

45440788 is a deficient number, since it is larger than the sum of its proper divisors (34080598).

45440788 is a wasteful number, since it uses less digits than its factorization.

45440788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11360201 (or 11360199 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 45440788 is about 6740.9782672844. The cubic root of 45440788 is about 356.8469189139.

The spelling of 45440788 in words is "forty-five million, four hundred forty thousand, seven hundred eighty-eight".