45909132 has 24 divisors (see below), whose sum is σ = 107276400. Its totient is φ = 15280896.

The previous prime is 45909121. The next prime is 45909167. The reversal of 45909132 is 23190954.

It is a junction number, because it is equal to n+sod(n) for n = 45909093 and 45909102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7344 + ... + 12072.

It is an arithmetic number, because the mean of its divisors is an integer number (4469850).

Almost surely, 2^45909132 is an apocalyptic number.

It is an amenable number.

45909132 is an abundant number, since it is smaller than the sum of its proper divisors (61367268).

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

45909132 is a wasteful number, since it uses less digits than its factorization.

45909132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5545 (or 5543 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 45909132 is about 6775.6277937915. The cubic root of 45909132 is about 358.0687008588.

The spelling of 45909132 in words is "forty-five million, nine hundred nine thousand, one hundred thirty-two".