255143145 has 8 divisors (see below), whose sum is σ = 408229056. Its totient is φ = 136076336.

The previous prime is 255143143. The next prime is 255143149. The reversal of 255143145 is 541341552.

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 255143145 - 2¹ = 255143143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255143143) 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, 8504757 + ... + 8504786.

It is an arithmetic number, because the mean of its divisors is an integer number (51028632).

Almost surely, 2^255143145 is an apocalyptic number.

It is an amenable number.

255143145 is a deficient number, since it is larger than the sum of its proper divisors (153085911).

255143145 is a wasteful number, since it uses less digits than its factorization.

255143145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17009551.

The product of its digits is 12000, while the sum is 30.

The square root of 255143145 is about 15973.2008376530. The cubic root of 255143145 is about 634.2512057371.

Adding to 255143145 its reverse (541341552), we get a palindrome (796484697).

The spelling of 255143145 in words is "two hundred fifty-five million, one hundred forty-three thousand, one hundred forty-five".