255144475 has 18 divisors (see below), whose sum is σ = 319680060. Its totient is φ = 202007520.

The previous prime is 255144473. The next prime is 255144503. The reversal of 255144475 is 574441552.

It is not a de Polignac number, because 255144475 - 2¹ = 255144473 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (255144473) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 296596 + ... + 297454.

Almost surely, 2^255144475 is an apocalyptic number.

255144475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255144475 is a deficient number, since it is larger than the sum of its proper divisors (64535585).

255144475 is an equidigital number, since it uses as much as digits as its factorization.

255144475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 973 counting only the distinct ones).

The product of its digits is 112000, while the sum is 37.

The square root of 255144475 is about 15973.2424698306. The cubic root of 255144475 is about 634.2523078016.

The spelling of 255144475 in words is "two hundred fifty-five million, one hundred forty-four thousand, four hundred seventy-five".