45181408 has 24 divisors (see below), whose sum is σ = 89141472. Its totient is φ = 22542336.

The previous prime is 45181397. The next prime is 45181417. The reversal of 45181408 is 80418154.

It is a self number, because there is not a number n which added to its sum of digits gives 45181408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17241 + ... + 19687.

It is an arithmetic number, because the mean of its divisors is an integer number (3714228).

Almost surely, 2^45181408 is an apocalyptic number.

It is an amenable number.

45181408 is a deficient number, since it is larger than the sum of its proper divisors (43960064).

45181408 is a wasteful number, since it uses less digits than its factorization.

45181408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034 (or 3026 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 45181408 is about 6721.7116867655. The cubic root of 45181408 is about 356.1666517643.

The spelling of 45181408 in words is "forty-five million, one hundred eighty-one thousand, four hundred eight".