42868142 has 8 divisors (see below), whose sum is σ = 67686600. Its totient is φ = 20305944.

The previous prime is 42868121. The next prime is 42868171. The reversal of 42868142 is 24186824.

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

It is a super-3 number, since 3×42868142³ (a number of 24 digits) contains 333 as substring.

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, 564017 + ... + 564092.

It is an arithmetic number, because the mean of its divisors is an integer number (8460825).

Almost surely, 2^42868142 is an apocalyptic number.

42868142 is a deficient number, since it is larger than the sum of its proper divisors (24818458).

42868142 is a wasteful number, since it uses less digits than its factorization.

42868142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128130.

The product of its digits is 24576, while the sum is 35.

The square root of 42868142 is about 6547.3767265982. The cubic root of 42868142 is about 349.9813377804.

The spelling of 42868142 in words is "forty-two million, eight hundred sixty-eight thousand, one hundred forty-two".