255142442 has 8 divisors (see below), whose sum is σ = 382893696. Its totient is φ = 127511212.

The previous prime is 255142439. The next prime is 255142451. The reversal of 255142442 is 244241552.

255142442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24488 + ... + 33315.

It is an arithmetic number, because the mean of its divisors is an integer number (47861712).

Almost surely, 2^255142442 is an apocalyptic number.

255142442 is a deficient number, since it is larger than the sum of its proper divisors (127751254).

255142442 is a wasteful number, since it uses less digits than its factorization.

255142442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60012.

The product of its digits is 12800, while the sum is 29.

The square root of 255142442 is about 15973.1788320296. The cubic root of 255142442 is about 634.2506232157.

Adding to 255142442 its reverse (244241552), we get a palindrome (499383994).

The spelling of 255142442 in words is "two hundred fifty-five million, one hundred forty-two thousand, four hundred forty-two".