45811648 has 28 divisors (see below), whose sum is σ = 94046040. Its totient is φ = 22115072.

The previous prime is 45811621. The next prime is 45811673. The reversal of 45811648 is 84611854.

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, 10486 + ... + 14197.

Almost surely, 2^45811648 is an apocalyptic number.

It is an amenable number.

45811648 is an abundant number, since it is smaller than the sum of its proper divisors (48234392).

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

45811648 is a wasteful number, since it uses less digits than its factorization.

45811648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24724 (or 24714 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 45811648 is about 6768.4302463718. The cubic root of 45811648 is about 357.8150788052.

The spelling of 45811648 in words is "forty-five million, eight hundred eleven thousand, six hundred forty-eight".