255143022 has 16 divisors (see below), whose sum is σ = 518935680. Its totient is φ = 83606072.

The previous prime is 255143017. The next prime is 255143023. The reversal of 255143022 is 220341552.

It is a junction number, because it is equal to n+sod(n) for n = 255142983 and 255143001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255143023) 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, 360018 + ... + 360725.

It is an arithmetic number, because the mean of its divisors is an integer number (32433480).

Almost surely, 2^255143022 is an apocalyptic number.

255143022 is an abundant number, since it is smaller than the sum of its proper divisors (263792658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255143022 is a wasteful number, since it uses less digits than its factorization.

255143022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720807.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 255143022 is about 15973.1969874537. The cubic root of 255143022 is about 634.2511038166.

Adding to 255143022 its reverse (220341552), we get a palindrome (475484574).

The spelling of 255143022 in words is "two hundred fifty-five million, one hundred forty-three thousand, twenty-two".