44845857 has 12 divisors (see below), whose sum is σ = 74031360. Its totient is φ = 25626168.

The previous prime is 44845819. The next prime is 44845873. The reversal of 44845857 is 75854844.

It is not a de Polignac number, because 44845857 - 2¹² = 44841761 is a prime.

It is a super-2 number, since 2×44845857² = 4022301780128898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44845807) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 355857 + ... + 355982.

It is an arithmetic number, because the mean of its divisors is an integer number (6169280).

Almost surely, 2^44845857 is an apocalyptic number.

It is an amenable number.

44845857 is a deficient number, since it is larger than the sum of its proper divisors (29185503).

44845857 is a wasteful number, since it uses less digits than its factorization.

44845857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711852 (or 711849 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 44845857 is about 6696.7049360114. The cubic root of 44845857 is about 355.2827397723.

The spelling of 44845857 in words is "forty-four million, eight hundred forty-five thousand, eight hundred fifty-seven".