44281 has 2 divisors, whose sum is σ = 44282. Its totient is φ = 44280.

The previous prime is 44279. The next prime is 44293. The reversal of 44281 is 18244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32400 + 11881 = 180^2 + 109^2 .

It is a cyclic number.

It is not a de Polignac number, because 44281 - 2¹ = 44279 is a prime.

It is a super-2 number, since 2×44281² = 3921613922, which contains 22 as substring.

Together with 44279, it forms a pair of twin primes.

It is a nialpdrome in base 9.

It is not a weakly prime, because it can be changed into another prime (44201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22140 + 22141.

It is an arithmetic number, because the mean of its divisors is an integer number (22141).

2⁴⁴²⁸¹ is an apocalyptic number.

It is an amenable number.

44281 is a deficient number, since it is larger than the sum of its proper divisors (1).

44281 is an equidigital number, since it uses as much as digits as its factorization.

44281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 256, while the sum is 19.

The square root of 44281 is about 210.4305110957. The cubic root of 44281 is about 35.3784775598.

It can be divided in two parts, 44 and 281, that added together give a triangular number (325 = T₂₅).

The spelling of 44281 in words is "forty-four thousand, two hundred eighty-one".