44857 has 4 divisors (see below), whose sum is σ = 46336. Its totient is φ = 43380.

The previous prime is 44851. The next prime is 44867. The reversal of 44857 is 75844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44857 - 2⁷ = 44729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44851) 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, 693 + ... + 754.

It is an arithmetic number, because the mean of its divisors is an integer number (11584).

2⁴⁴⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

44857 is a deficient number, since it is larger than the sum of its proper divisors (1479).

44857 is a wasteful number, since it uses less digits than its factorization.

44857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478.

The product of its digits is 4480, while the sum is 28.

The square root of 44857 is about 211.7947119264. The cubic root of 44857 is about 35.5312163432.

It can be divided in two parts, 448 and 57, that added together give a palindrome (505).

The spelling of 44857 in words is "forty-four thousand, eight hundred fifty-seven".