45149788 has 12 divisors (see below), whose sum is σ = 79071160. Its totient is φ = 22558032.

The previous prime is 45149779. The next prime is 45149791. The reversal of 45149788 is 88794154.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 3295 + ... + 10057.

Almost surely, 2^45149788 is an apocalyptic number.

It is an amenable number.

45149788 is a deficient number, since it is larger than the sum of its proper divisors (33921372).

45149788 is a wasteful number, since it uses less digits than its factorization.

45149788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8436 (or 8434 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 45149788 is about 6719.3591956376. The cubic root of 45149788 is about 356.0835451779.

The spelling of 45149788 in words is "forty-five million, one hundred forty-nine thousand, seven hundred eighty-eight".