45440224 has 24 divisors (see below), whose sum is σ = 89971560. Its totient is φ = 22590336.

The previous prime is 45440189. The next prime is 45440233. The reversal of 45440224 is 42204454.

It is a happy number.

45440224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 1762 + ... + 9694.

It is an arithmetic number, because the mean of its divisors is an integer number (3748815).

Almost surely, 2^45440224 is an apocalyptic number.

It is an amenable number.

45440224 is a deficient number, since it is larger than the sum of its proper divisors (44531336).

45440224 is a wasteful number, since it uses less digits than its factorization.

45440224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8122 (or 8114 counting only the distinct ones).

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

The square root of 45440224 is about 6740.9364334638. The cubic root of 45440224 is about 356.8454425421.

Adding to 45440224 its reverse (42204454), we get a palindrome (87644678).

The spelling of 45440224 in words is "forty-five million, four hundred forty thousand, two hundred twenty-four".