255151239 has 8 divisors (see below), whose sum is σ = 388801920. Its totient is φ = 145800696.

The previous prime is 255151231. The next prime is 255151271. The reversal of 255151239 is 932151552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255151239 - 2³ = 255151231 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255151231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6075009 + ... + 6075050.

It is an arithmetic number, because the mean of its divisors is an integer number (48600240).

Almost surely, 2^255151239 is an apocalyptic number.

255151239 is a deficient number, since it is larger than the sum of its proper divisors (133650681).

255151239 is a wasteful number, since it uses less digits than its factorization.

255151239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12150069.

The product of its digits is 13500, while the sum is 33.

The square root of 255151239 is about 15973.4541975116. The cubic root of 255151239 is about 634.2579125277.

The spelling of 255151239 in words is "two hundred fifty-five million, one hundred fifty-one thousand, two hundred thirty-nine".