42142593 has 8 divisors (see below), whose sum is σ = 57708928. Its totient is φ = 27335664.

The previous prime is 42142577. The next prime is 42142621. The reversal of 42142593 is 39524124.

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

It is not a de Polignac number, because 42142593 - 2⁴ = 42142577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42142593.

It is not an unprimeable number, because it can be changed into a prime (42142543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189721 + ... + 189942.

It is an arithmetic number, because the mean of its divisors is an integer number (7213616).

Almost surely, 2^42142593 is an apocalyptic number.

It is an amenable number.

42142593 is a deficient number, since it is larger than the sum of its proper divisors (15566335).

42142593 is a wasteful number, since it uses less digits than its factorization.

42142593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379703.

The product of its digits is 8640, while the sum is 30.

The square root of 42142593 is about 6491.7326654754. The cubic root of 42142593 is about 347.9955987685.

The spelling of 42142593 in words is "forty-two million, one hundred forty-two thousand, five hundred ninety-three".