44865 has 12 divisors (see below), whose sum is σ = 77844. Its totient is φ = 23904.

The previous prime is 44851. The next prime is 44867. The reversal of 44865 is 56844.

44865 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 28224 + 16641 = 168^2 + 129^2 .

It is not a de Polignac number, because 44865 - 2¹⁵ = 12097 is a prime.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 44865.

It is not an unprimeable number, because it can be changed into a prime (44867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454 + ... + 543.

It is an arithmetic number, because the mean of its divisors is an integer number (6487).

2⁴⁴⁸⁶⁵ is an apocalyptic number.

44865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44865 is a deficient number, since it is larger than the sum of its proper divisors (32979).

44865 is a wasteful number, since it uses less digits than its factorization.

44865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008 (or 1005 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 44865 is about 211.8135972972. The cubic root of 44865 is about 35.5333284835.

It can be divided in two parts, 44 and 865, that added together give a palindrome (909).

The spelling of 44865 in words is "forty-four thousand, eight hundred sixty-five".