255220143 has 8 divisors (see below), whose sum is σ = 340429056. Its totient is φ = 170079000.

The previous prime is 255220129. The next prime is 255220171. The reversal of 255220143 is 341022552.

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

It is not a de Polignac number, because 255220143 - 2⁵ = 255220111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255220183) 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, 7383 + ... + 23768.

It is an arithmetic number, because the mean of its divisors is an integer number (42553632).

Almost surely, 2^255220143 is an apocalyptic number.

255220143 is a deficient number, since it is larger than the sum of its proper divisors (85208913).

255220143 is a wasteful number, since it uses less digits than its factorization.

255220143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33885.

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

The square root of 255220143 is about 15975.6108803388. The cubic root of 255220143 is about 634.3150015101.

Adding to 255220143 its reverse (341022552), we get a palindrome (596242695).

The spelling of 255220143 in words is "two hundred fifty-five million, two hundred twenty thousand, one hundred forty-three".