45909572 has 12 divisors (see below), whose sum is σ = 81122496. Its totient is φ = 22731720.

The previous prime is 45909569. The next prime is 45909583. The reversal of 45909572 is 27590954.

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 3 ways as a sum of consecutive naturals, for example, 55304 + ... + 56127.

It is an arithmetic number, because the mean of its divisors is an integer number (6760208).

Almost surely, 2^45909572 is an apocalyptic number.

It is an amenable number.

45909572 is a deficient number, since it is larger than the sum of its proper divisors (35212924).

45909572 is a wasteful number, since it uses less digits than its factorization.

45909572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111538 (or 111536 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 45909572 is about 6775.6602630297. The cubic root of 45909572 is about 358.0698447832.

The spelling of 45909572 in words is "forty-five million, nine hundred nine thousand, five hundred seventy-two".