45209832 has 16 divisors (see below), whose sum is σ = 113024640. Its totient is φ = 15069936.

The previous prime is 45209779. The next prime is 45209833. The reversal of 45209832 is 23890254.

It is a happy number.

45209832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 45209793 and 45209802.

It is not an unprimeable number, because it can be changed into a prime (45209833) 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, 941848 + ... + 941895.

It is an arithmetic number, because the mean of its divisors is an integer number (7064040).

Almost surely, 2^45209832 is an apocalyptic number.

It is an amenable number.

45209832 is an abundant number, since it is smaller than the sum of its proper divisors (67814808).

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

45209832 is a wasteful number, since it uses less digits than its factorization.

45209832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883752 (or 1883748 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 45209832 is about 6723.8256967295. The cubic root of 45209832 is about 356.2413252428.

The spelling of 45209832 in words is "forty-five million, two hundred nine thousand, eight hundred thirty-two".