255143143 has 2 divisors, whose sum is σ = 255143144. Its totient is φ = 255143142.

The previous prime is 255143111. The next prime is 255143149. The reversal of 255143143 is 341341552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255143143 - 2⁵ = 255143111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255143149) 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, 127571571 + 127571572.

It is an arithmetic number, because the mean of its divisors is an integer number (127571572).

Almost surely, 2^255143143 is an apocalyptic number.

255143143 is a deficient number, since it is larger than the sum of its proper divisors (1).

255143143 is an equidigital number, since it uses as much as digits as its factorization.

255143143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 28.

The square root of 255143143 is about 15973.2007750482. The cubic root of 255143143 is about 634.2512040798.

Adding to 255143143 its reverse (341341552), we get a palindrome (596484695).

The spelling of 255143143 in words is "two hundred fifty-five million, one hundred forty-three thousand, one hundred forty-three".