255430143 has 6 divisors (see below), whose sum is σ = 368954664. Its totient is φ = 170286756.

The previous prime is 255430099. The next prime is 255430163. The reversal of 255430143 is 341034552.

It is not a de Polignac number, because 255430143 - 2⁸ = 255429887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255430163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14190555 + ... + 14190572.

It is an arithmetic number, because the mean of its divisors is an integer number (61492444).

Almost surely, 2^255430143 is an apocalyptic number.

255430143 is a deficient number, since it is larger than the sum of its proper divisors (113524521).

255430143 is a wasteful number, since it uses less digits than its factorization.

255430143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28381133 (or 28381130 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 255430143 is about 15982.1820475178. The cubic root of 255430143 is about 634.4889293077.

Adding to 255430143 its reverse (341034552), we get a palindrome (596464695).

The spelling of 255430143 in words is "two hundred fifty-five million, four hundred thirty thousand, one hundred forty-three".