45403444 has 24 divisors (see below), whose sum is σ = 82824840. Its totient is φ = 21751296.

The previous prime is 45403427. The next prime is 45403451. The reversal of 45403444 is 44430454.

45403444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11902500 + 33500944 = 3450^2 + 5788^2 .

It is a super-2 number, since 2×45403444² = 4122945454122272, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 14464 + ... + 17320.

It is an arithmetic number, because the mean of its divisors is an integer number (3451035).

Almost surely, 2^45403444 is an apocalyptic number.

It is an amenable number.

45403444 is a deficient number, since it is larger than the sum of its proper divisors (37421396).

45403444 is a wasteful number, since it uses less digits than its factorization.

45403444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027 (or 3025 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 45403444 is about 6738.2077735849. The cubic root of 45403444 is about 356.7491378664.

Adding to 45403444 its reverse (44430454), we get a palindrome (89833898).

The spelling of 45403444 in words is "forty-five million, four hundred three thousand, four hundred forty-four".