45021232 has 10 divisors (see below), whose sum is σ = 87228668. Its totient is φ = 22510608.

The previous prime is 45021227. The next prime is 45021257. The reversal of 45021232 is 23212054.

45021232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45021232² = 4053822661595648, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1406898 + ... + 1406929.

Almost surely, 2^45021232 is an apocalyptic number.

It is an amenable number.

45021232 is a deficient number, since it is larger than the sum of its proper divisors (42207436).

45021232 is a wasteful number, since it uses less digits than its factorization.

45021232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813835 (or 2813829 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 45021232 is about 6709.7862857173. The cubic root of 45021232 is about 355.7452623634.

Adding to 45021232 its reverse (23212054), we get a palindrome (68233286).

The spelling of 45021232 in words is "forty-five million, twenty-one thousand, two hundred thirty-two".