45005732 has 12 divisors (see below), whose sum is σ = 83393100. Its totient is φ = 21179136.

The previous prime is 45005717. The next prime is 45005759. The reversal of 45005732 is 23750054.

It can be written as a sum of positive squares in 2 ways, for example, as 26481316 + 18524416 = 5146^2 + 4304^2 .

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, 330857 + ... + 330992.

It is an arithmetic number, because the mean of its divisors is an integer number (6949425).

Almost surely, 2^45005732 is an apocalyptic number.

It is an amenable number.

45005732 is a deficient number, since it is larger than the sum of its proper divisors (38387368).

45005732 is a wasteful number, since it uses less digits than its factorization.

45005732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661870 (or 661868 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 45005732 is about 6708.6311569500. The cubic root of 45005732 is about 355.7044321133.

Adding to 45005732 its reverse (23750054), we get a palindrome (68755786).

The spelling of 45005732 in words is "forty-five million, five thousand, seven hundred thirty-two".