255213146 has 16 divisors (see below), whose sum is σ = 406171584. Its totient is φ = 119853504.

The previous prime is 255213113. The next prime is 255213157. The reversal of 255213146 is 641312552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9641 + ... + 24563.

It is an arithmetic number, because the mean of its divisors is an integer number (25385724).

Almost surely, 2^255213146 is an apocalyptic number.

255213146 is a deficient number, since it is larger than the sum of its proper divisors (150958438).

255213146 is a wasteful number, since it uses less digits than its factorization.

255213146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15445.

The product of its digits is 7200, while the sum is 29.

The square root of 255213146 is about 15975.3918887769. The cubic root of 255213146 is about 634.3092047594.

Adding to 255213146 its reverse (641312552), we get a palindrome (896525698).

The spelling of 255213146 in words is "two hundred fifty-five million, two hundred thirteen thousand, one hundred forty-six".