255451142 has 8 divisors (see below), whose sum is σ = 385933800. Its totient is φ = 126806544.

The previous prime is 255451139. The next prime is 255451151. The reversal of 255451142 is 241154552.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459167 + ... + 459722.

It is an arithmetic number, because the mean of its divisors is an integer number (48241725).

Almost surely, 2^255451142 is an apocalyptic number.

255451142 is a deficient number, since it is larger than the sum of its proper divisors (130482658).

255451142 is a wasteful number, since it uses less digits than its factorization.

255451142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919030.

The product of its digits is 8000, while the sum is 29.

The square root of 255451142 is about 15982.8389843607. The cubic root of 255451142 is about 634.5063160157.

The spelling of 255451142 in words is "two hundred fifty-five million, four hundred fifty-one thousand, one hundred forty-two".