45509032 has 16 divisors (see below), whose sum is σ = 85433760. Its totient is φ = 22726704.

The previous prime is 45509029. The next prime is 45509039. The reversal of 45509032 is 23090554.

45509032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45509039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4573 + ... + 10579.

It is an arithmetic number, because the mean of its divisors is an integer number (5339610).

Almost surely, 2^45509032 is an apocalyptic number.

It is an amenable number.

45509032 is a deficient number, since it is larger than the sum of its proper divisors (39924728).

45509032 is a wasteful number, since it uses less digits than its factorization.

45509032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6960 (or 6956 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 45509032 is about 6746.0382447774. The cubic root of 45509032 is about 357.0254698094.

Adding to 45509032 its reverse (23090554), we get a palindrome (68599586).

The spelling of 45509032 in words is "forty-five million, five hundred nine thousand, thirty-two".