45099944 has 8 divisors (see below), whose sum is σ = 84562410. Its totient is φ = 22549968.

The previous prime is 45099919. The next prime is 45099953. The reversal of 45099944 is 44999054.

45099944 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in only one way, i.e., 36747844 + 8352100 = 6062^2 + 2890^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 45099895 and 45099904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2818739 + ... + 2818754.

Almost surely, 2^45099944 is an apocalyptic number.

It is an amenable number.

45099944 is a deficient number, since it is larger than the sum of its proper divisors (39462466).

45099944 is a wasteful number, since it uses less digits than its factorization.

45099944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5637499 (or 5637495 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 45099944 is about 6715.6491867875. The cubic root of 45099944 is about 355.9524617750.

The spelling of 45099944 in words is "forty-five million, ninety-nine thousand, nine hundred forty-four".