45289388 has 48 divisors (see below), whose sum is σ = 88166400. Its totient is φ = 20269440.

The previous prime is 45289373. The next prime is 45289417. The reversal of 45289388 is 88398254.

It is a super-2 number, since 2×45289388² = 4102257330829088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

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, 110528 + ... + 110936.

It is an arithmetic number, because the mean of its divisors is an integer number (1836800).

Almost surely, 2^45289388 is an apocalyptic number.

It is an amenable number.

45289388 is a deficient number, since it is larger than the sum of its proper divisors (42877012).

45289388 is a wasteful number, since it uses less digits than its factorization.

45289388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 508 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The square root of 45289388 is about 6729.7390736937. The cubic root of 45289388 is about 356.4501627591.

The spelling of 45289388 in words is "forty-five million, two hundred eighty-nine thousand, three hundred eighty-eight".