45044638 has 8 divisors (see below), whose sum is σ = 67613688. Its totient is φ = 22506744.

The previous prime is 45044633. The next prime is 45044639. The reversal of 45044638 is 83644054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45044633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3756 + ... + 10207.

It is an arithmetic number, because the mean of its divisors is an integer number (8451711).

Almost surely, 2^45044638 is an apocalyptic number.

45044638 is a deficient number, since it is larger than the sum of its proper divisors (22569050).

45044638 is a wasteful number, since it uses less digits than its factorization.

45044638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15578.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 45044638 is about 6711.5302278989. The cubic root of 45044638 is about 355.8069009185.

The spelling of 45044638 in words is "forty-five million, forty-four thousand, six hundred thirty-eight".