255144269 has 2 divisors, whose sum is σ = 255144270. Its totient is φ = 255144268.

The previous prime is 255144209. The next prime is 255144277. The reversal of 255144269 is 962441552.

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., 172607044 + 82537225 = 13138^2 + 9085^2 .

It is a cyclic number.

It is not a de Polignac number, because 255144269 - 2⁸ = 255144013 is a prime.

It is a super-2 number, since 2×255144269² = 130197196007088722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255144209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127572134 + 127572135.

It is an arithmetic number, because the mean of its divisors is an integer number (127572135).

Almost surely, 2^255144269 is an apocalyptic number.

It is an amenable number.

255144269 is a deficient number, since it is larger than the sum of its proper divisors (1).

255144269 is an equidigital number, since it uses as much as digits as its factorization.

255144269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 38.

The square root of 255144269 is about 15973.2360215455. The cubic root of 255144269 is about 634.2521371061.

The spelling of 255144269 in words is "two hundred fifty-five million, one hundred forty-four thousand, two hundred sixty-nine".