255144320144 has 20 divisors (see below), whose sum is σ = 564962423424. Its totient is φ = 109347565728.

The previous prime is 255144320141. The next prime is 255144320161. The reversal of 255144320144 is 441023441552.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (255144320141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139037032 + ... + 1139037255.

Almost surely, 2^255144320144 is an apocalyptic number.

It is an amenable number.

255144320144 is an abundant number, since it is smaller than the sum of its proper divisors (309818103280).

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

255144320144 is a wasteful number, since it uses less digits than its factorization.

255144320144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278074302 (or 2278074296 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 255144320144 its reverse (441023441552), we get a palindrome (696167761696).

The spelling of 255144320144 in words is "two hundred fifty-five billion, one hundred forty-four million, three hundred twenty thousand, one hundred forty-four".