255303145 has 16 divisors (see below), whose sum is σ = 315720720. Its totient is φ = 198042624.

The previous prime is 255303137. The next prime is 255303163. The reversal of 255303145 is 541303552.

It can be written as a sum of positive squares in 8 ways, for example, as 48288601 + 207014544 = 6949^2 + 14388^2 .

It is a cyclic number.

It is not a de Polignac number, because 255303145 - 2³ = 255303137 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55701 + ... + 60109.

It is an arithmetic number, because the mean of its divisors is an integer number (19732545).

Almost surely, 2^255303145 is an apocalyptic number.

It is an amenable number.

255303145 is a deficient number, since it is larger than the sum of its proper divisors (60417575).

255303145 is a wasteful number, since it uses less digits than its factorization.

255303145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 255303145 is about 15978.2084414993. The cubic root of 255303145 is about 634.3837574563.

Adding to 255303145 its reverse (541303552), we get a palindrome (796606697).

The spelling of 255303145 in words is "two hundred fifty-five million, three hundred three thousand, one hundred forty-five".