255442143 has 8 divisors (see below), whose sum is σ = 371552256. Its totient is φ = 154813400.

The previous prime is 255442127. The next prime is 255442147. The reversal of 255442143 is 341244552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255442143 - 2⁴ = 255442127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255442143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255442147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3870303 + ... + 3870368.

It is an arithmetic number, because the mean of its divisors is an integer number (46444032).

Almost surely, 2^255442143 is an apocalyptic number.

255442143 is a deficient number, since it is larger than the sum of its proper divisors (116110113).

255442143 is a wasteful number, since it uses less digits than its factorization.

255442143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740685.

The product of its digits is 19200, while the sum is 30.

The square root of 255442143 is about 15982.5574611825. The cubic root of 255442143 is about 634.4988651593.

Adding to 255442143 its reverse (341244552), we get a palindrome (596686695).

The spelling of 255442143 in words is "two hundred fifty-five million, four hundred forty-two thousand, one hundred forty-three".