244454381 has 2 divisors, whose sum is σ = 244454382. Its totient is φ = 244454380.

The previous prime is 244454359. The next prime is 244454401. The reversal of 244454381 is 183454442.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244453225 + 1156 = 15635^2 + 34^2 .

It is a cyclic number.

It is not a de Polignac number, because 244454381 - 2²⁶ = 177345517 is a prime.

It is a super-2 number, since 2×244454381² = 119515888780186322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244454321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122227190 + 122227191.

It is an arithmetic number, because the mean of its divisors is an integer number (122227191).

Almost surely, 2^244454381 is an apocalyptic number.

It is an amenable number.

244454381 is a deficient number, since it is larger than the sum of its proper divisors (1).

244454381 is an equidigital number, since it uses as much as digits as its factorization.

244454381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61440, while the sum is 35.

The square root of 244454381 is about 15635.0369682966. The cubic root of 244454381 is about 625.2676238409.

The spelling of 244454381 in words is "two hundred forty-four million, four hundred fifty-four thousand, three hundred eighty-one".