44447845 has 24 divisors (see below), whose sum is σ = 60293376. Its totient is φ = 31382208.

The previous prime is 44447803. The next prime is 44447863. The reversal of 44447845 is 54874444.

It is a de Polignac number, because none of the positive numbers 2^k-44447845 is a prime.

It is a super-2 number, since 2×44447845² = 3951221850288050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44447798 and 44447807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18292 + ... + 20578.

It is an arithmetic number, because the mean of its divisors is an integer number (2512224).

Almost surely, 2^44447845 is an apocalyptic number.

It is an amenable number.

44447845 is a deficient number, since it is larger than the sum of its proper divisors (15845531).

44447845 is a wasteful number, since it uses less digits than its factorization.

44447845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341 (or 2328 counting only the distinct ones).

The product of its digits is 286720, while the sum is 40.

The square root of 44447845 is about 6666.9217034551. The cubic root of 44447845 is about 354.2285569042.

The spelling of 44447845 in words is "forty-four million, four hundred forty-seven thousand, eight hundred forty-five".