45450732 has 12 divisors (see below), whose sum is σ = 106051736. Its totient is φ = 15150240.

The previous prime is 45450719. The next prime is 45450791. The reversal of 45450732 is 23705454.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 45450732.

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, 1893769 + ... + 1893792.

Almost surely, 2^45450732 is an apocalyptic number.

It is an amenable number.

45450732 is an abundant number, since it is smaller than the sum of its proper divisors (60601004).

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

45450732 is a wasteful number, since it uses less digits than its factorization.

45450732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787568 (or 3787566 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 45450732 is about 6741.7158053421. The cubic root of 45450732 is about 356.8729471227.

The spelling of 45450732 in words is "forty-five million, four hundred fifty thousand, seven hundred thirty-two".