44144281 has 2 divisors, whose sum is σ = 44144282. Its totient is φ = 44144280.

The previous prime is 44144263. The next prime is 44144323. The reversal of 44144281 is 18244144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34633225 + 9511056 = 5885^2 + 3084^2 .

It is a cyclic number.

It is not a de Polignac number, because 44144281 - 2⁹ = 44143769 is a prime.

It is a super-2 number, since 2×44144281² = 3897435090013922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44144251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22072140 + 22072141.

It is an arithmetic number, because the mean of its divisors is an integer number (22072141).

Almost surely, 2^44144281 is an apocalyptic number.

It is an amenable number.

44144281 is a deficient number, since it is larger than the sum of its proper divisors (1).

44144281 is an equidigital number, since it uses as much as digits as its factorization.

44144281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4096, while the sum is 28.

The square root of 44144281 is about 6644.1162693017. The cubic root of 44144281 is about 353.4202929629.

The spelling of 44144281 in words is "forty-four million, one hundred forty-four thousand, two hundred eighty-one".