44681 has 8 divisors (see below), whose sum is σ = 55104. Its totient is φ = 35280.

The previous prime is 44657. The next prime is 44683. The reversal of 44681 is 18644.

It is a happy number.

44681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44681 - 2⁶ = 44617 is a prime.

It is a super-2 number, since 2×44681² = 3992783522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155 + ... + 336.

It is an arithmetic number, because the mean of its divisors is an integer number (6888).

2⁴⁴⁶⁸¹ is an apocalyptic number.

It is an amenable number.

44681 is a deficient number, since it is larger than the sum of its proper divisors (10423).

44681 is a wasteful number, since it uses less digits than its factorization.

44681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511.

The product of its digits is 768, while the sum is 23.

The square root of 44681 is about 211.3788068847. The cubic root of 44681 is about 35.4846855851.

The spelling of 44681 in words is "forty-four thousand, six hundred eighty-one".