255747542 has 8 divisors (see below), whose sum is σ = 383745600. Its totient is φ = 127832344.

The previous prime is 255747533. The next prime is 255747659. The reversal of 255747542 is 245747552.

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

It is a self number, because there is not a number n which added to its sum of digits gives 255747542.

It is a congruent number.

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, 12317 + ... + 25752.

It is an arithmetic number, because the mean of its divisors is an integer number (47968200).

Almost surely, 2^255747542 is an apocalyptic number.

255747542 is a deficient number, since it is larger than the sum of its proper divisors (127998058).

255747542 is a wasteful number, since it uses less digits than its factorization.

255747542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41430.

The product of its digits is 392000, while the sum is 41.

The square root of 255747542 is about 15992.1087415012. The cubic root of 255747542 is about 634.7516270879.

The spelling of 255747542 in words is "two hundred fifty-five million, seven hundred forty-seven thousand, five hundred forty-two".