255443144 has 32 divisors (see below), whose sum is σ = 550000800. Its totient is φ = 109998720.

The previous prime is 255443117. The next prime is 255443147. The reversal of 255443144 is 441344552.

It is a self number, because there is not a number n which added to its sum of digits gives 255443144.

It is not an unprimeable number, because it can be changed into a prime (255443147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74717 + ... + 78060.

It is an arithmetic number, because the mean of its divisors is an integer number (17187525).

Almost surely, 2^255443144 is an apocalyptic number.

It is an amenable number.

255443144 is an abundant number, since it is smaller than the sum of its proper divisors (294557656).

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

255443144 is a wasteful number, since it uses less digits than its factorization.

255443144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152813 (or 152809 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 255443144 is about 15982.5887765406. The cubic root of 255443144 is about 634.4996939608.

Adding to 255443144 its reverse (441344552), we get a palindrome (696787696).

The spelling of 255443144 in words is "two hundred fifty-five million, four hundred forty-three thousand, one hundred forty-four".