42142 has 8 divisors (see below), whose sum is σ = 66600. Its totient is φ = 19944.

The previous prime is 42139. The next prime is 42157. The reversal of 42142 is 24124.

42142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a plaindrome in base 8.

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, 517 + ... + 592.

It is an arithmetic number, because the mean of its divisors is an integer number (8325).

2⁴²¹⁴² is an apocalyptic number.

42142 is a deficient number, since it is larger than the sum of its proper divisors (24458).

42142 is a wasteful number, since it uses less digits than its factorization.

42142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130.

The product of its digits is 64, while the sum is 13.

The square root of 42142 is about 205.2851675110. The cubic root of 42142 is about 34.7993966514.

Adding to 42142 its reverse (24124), we get a palindrome (66266).

The spelling of 42142 in words is "forty-two thousand, one hundred forty-two", and thus it is an iban number.