44481 has 4 divisors (see below), whose sum is σ = 59312. Its totient is φ = 29652.

The previous prime is 44453. The next prime is 44483. The reversal of 44481 is 18444.

44481 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 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 not a de Polignac number, because 44481 - 2⁵ = 44449 is a prime.

It is a super-2 number, since 2×44481² = 3957118722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44483) 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, 7411 + ... + 7416.

It is an arithmetic number, because the mean of its divisors is an integer number (14828).

2⁴⁴⁴⁸¹ is an apocalyptic number.

It is an amenable number.

44481 is a deficient number, since it is larger than the sum of its proper divisors (14831).

44481 is a wasteful number, since it uses less digits than its factorization.

44481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14830.

The product of its digits is 512, while the sum is 21.

The square root of 44481 is about 210.9051919702. The cubic root of 44481 is about 35.4316611633.

It can be divided in two parts, 444 and 81, that added together give a palindrome (525).

The spelling of 44481 in words is "forty-four thousand, four hundred eighty-one".