255144403 has 4 divisors (see below), whose sum is σ = 255257968. Its totient is φ = 255030840.

The previous prime is 255144401. The next prime is 255144427. The reversal of 255144403 is 304441552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255144403 - 2¹ = 255144401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255144401) 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, 53343 + ... + 57928.

It is an arithmetic number, because the mean of its divisors is an integer number (63814492).

Almost surely, 2^255144403 is an apocalyptic number.

255144403 is a deficient number, since it is larger than the sum of its proper divisors (113565).

255144403 is a wasteful number, since it uses less digits than its factorization.

255144403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113564.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 255144403 is about 15973.2402160614. The cubic root of 255144403 is about 634.2522481411.

Adding to 255144403 its reverse (304441552), we get a palindrome (559585955).

The spelling of 255144403 in words is "two hundred fifty-five million, one hundred forty-four thousand, four hundred three".