255144667 has 2 divisors, whose sum is σ = 255144668. Its totient is φ = 255144666.

The previous prime is 255144611. The next prime is 255144679. The reversal of 255144667 is 766441552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255144667 is a prime.

It is not a weakly prime, because it can be changed into another prime (255147667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127572333 + 127572334.

It is an arithmetic number, because the mean of its divisors is an integer number (127572334).

Almost surely, 2^255144667 is an apocalyptic number.

255144667 is a deficient number, since it is larger than the sum of its proper divisors (1).

255144667 is an equidigital number, since it uses as much as digits as its factorization.

255144667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 40.

The square root of 255144667 is about 15973.2484798804. The cubic root of 255144667 is about 634.2524668963.

The spelling of 255144667 in words is "two hundred fifty-five million, one hundred forty-four thousand, six hundred sixty-seven".