255158542 has 8 divisors (see below), whose sum is σ = 405251856. Its totient is φ = 120074592.

The previous prime is 255158479. The next prime is 255158557. The reversal of 255158542 is 245851552.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3752298 + ... + 3752365.

It is an arithmetic number, because the mean of its divisors is an integer number (50656482).

Almost surely, 2^255158542 is an apocalyptic number.

255158542 is a deficient number, since it is larger than the sum of its proper divisors (150093314).

255158542 is a wasteful number, since it uses less digits than its factorization.

255158542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7504682.

The product of its digits is 80000, while the sum is 37.

The square root of 255158542 is about 15973.6827938957. The cubic root of 255158542 is about 634.2639637640.

The spelling of 255158542 in words is "two hundred fifty-five million, one hundred fifty-eight thousand, five hundred forty-two".