44845745 has 64 divisors (see below), whose sum is σ = 70917120. Its totient is φ = 26492928.

The previous prime is 44845727. The next prime is 44845753. The reversal of 44845745 is 54754844.

It is a de Polignac number, because none of the positive numbers 2^k-44845745 is a prime.

It is a super-2 number, since 2×44845745² = 4022281689210050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 396809 + ... + 396921.

It is an arithmetic number, because the mean of its divisors is an integer number (1108080).

Almost surely, 2^44845745 is an apocalyptic number.

It is an amenable number.

44845745 is a deficient number, since it is larger than the sum of its proper divisors (26071375).

44845745 is a wasteful number, since it uses less digits than its factorization.

44845745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194.

The product of its digits is 358400, while the sum is 41.

The square root of 44845745 is about 6696.6965736847. The cubic root of 44845745 is about 355.2824440058.

Subtracting 44845745 from its reverse (54754844), we obtain a palindrome (9909099).

The spelling of 44845745 in words is "forty-four million, eight hundred forty-five thousand, seven hundred forty-five".