44153381 has 2 divisors, whose sum is σ = 44153382. Its totient is φ = 44153380.

The previous prime is 44153363. The next prime is 44153383. The reversal of 44153381 is 18335144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24661156 + 19492225 = 4966^2 + 4415^2 .

It is a cyclic number.

It is not a de Polignac number, because 44153381 - 2¹⁴ = 44136997 is a prime.

It is a super-2 number, since 2×44153381² = 3899042107462322, which contains 22 as substring.

Together with 44153383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44153383) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22076690 + 22076691.

It is an arithmetic number, because the mean of its divisors is an integer number (22076691).

Almost surely, 2^44153381 is an apocalyptic number.

It is an amenable number.

44153381 is a deficient number, since it is larger than the sum of its proper divisors (1).

44153381 is an equidigital number, since it uses as much as digits as its factorization.

44153381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 29.

The square root of 44153381 is about 6644.8010504454. The cubic root of 44153381 is about 353.4445762421. Note that the first 3 decimals are identical.

The spelling of 44153381 in words is "forty-four million, one hundred fifty-three thousand, three hundred eighty-one".