255193144 has 16 divisors (see below), whose sum is σ = 491419800. Its totient is φ = 124147872.

The previous prime is 255193139. The next prime is 255193153. The reversal of 255193144 is 441391552.

It is a super-3 number, since 3×255193144³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430774 + ... + 431365.

Almost surely, 2^255193144 is an apocalyptic number.

It is an amenable number.

255193144 is a deficient number, since it is larger than the sum of its proper divisors (236226656).

255193144 is a wasteful number, since it uses less digits than its factorization.

255193144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862182 (or 862178 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 255193144 is about 15974.7658511792. The cubic root of 255193144 is about 634.2926332722.

The spelling of 255193144 in words is "two hundred fifty-five million, one hundred ninety-three thousand, one hundred forty-four".