45149556 has 24 divisors (see below), whose sum is σ = 105493024. Its totient is φ = 15029280.

The previous prime is 45149519. The next prime is 45149579. The reversal of 45149556 is 65594154.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8466 + ... + 12726.

Almost surely, 2^45149556 is an apocalyptic number.

It is an amenable number.

45149556 is an abundant number, since it is smaller than the sum of its proper divisors (60343468).

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

45149556 is a wasteful number, since it uses less digits than its factorization.

45149556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151 (or 5149 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The square root of 45149556 is about 6719.3419320645. The cubic root of 45149556 is about 356.0829352708.

The spelling of 45149556 in words is "forty-five million, one hundred forty-nine thousand, five hundred fifty-six".