45022444 has 12 divisors (see below), whose sum is σ = 79090704. Its totient is φ = 22425104.

The previous prime is 45022441. The next prime is 45022507. The reversal of 45022444 is 44422054.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (45022441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20347 + ... + 22450.

It is an arithmetic number, because the mean of its divisors is an integer number (6590892).

Almost surely, 2^45022444 is an apocalyptic number.

It is an amenable number.

45022444 is a deficient number, since it is larger than the sum of its proper divisors (34068260).

45022444 is a wasteful number, since it uses less digits than its factorization.

45022444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43064 (or 43062 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 45022444 is about 6709.8766009518. The cubic root of 45022444 is about 355.7484546305.

Adding to 45022444 its reverse (44422054), we get a palindrome (89444498).

The spelling of 45022444 in words is "forty-five million, twenty-two thousand, four hundred forty-four".