542256142 has 8 divisors (see below), whose sum is σ = 848748816. Its totient is φ = 259339872.

The previous prime is 542256137. The next prime is 542256161. The reversal of 542256142 is 241652245.

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, 5894043 + ... + 5894134.

It is an arithmetic number, because the mean of its divisors is an integer number (106093602).

Almost surely, 2^542256142 is an apocalyptic number.

542256142 is a deficient number, since it is larger than the sum of its proper divisors (306492674).

542256142 is a wasteful number, since it uses less digits than its factorization.

542256142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11788202.

The product of its digits is 19200, while the sum is 31.

The square root of 542256142 is about 23286.3939243499. The cubic root of 542256142 is about 815.4578039420.

The spelling of 542256142 in words is "five hundred forty-two million, two hundred fifty-six thousand, one hundred forty-two".