255585143 has 4 divisors (see below), whose sum is σ = 278820168. Its totient is φ = 232350120.

The previous prime is 255585139. The next prime is 255585151. The reversal of 255585143 is 341585552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255585143 - 2² = 255585139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255585097 and 255585106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255585193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11617496 + ... + 11617517.

It is an arithmetic number, because the mean of its divisors is an integer number (69705042).

Almost surely, 2^255585143 is an apocalyptic number.

255585143 is a deficient number, since it is larger than the sum of its proper divisors (23235025).

255585143 is a wasteful number, since it uses less digits than its factorization.

255585143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23235024.

The product of its digits is 120000, while the sum is 38.

The square root of 255585143 is about 15987.0304622216. The cubic root of 255585143 is about 634.6172434486.

The spelling of 255585143 in words is "two hundred fifty-five million, five hundred eighty-five thousand, one hundred forty-three".