42143 has 8 divisors (see below), whose sum is σ = 46512. Its totient is φ = 38016.

The previous prime is 42139. The next prime is 42157. The reversal of 42143 is 34124.

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

It is a cyclic number.

It is not a de Polignac number, because 42143 - 2² = 42139 is a prime.

It is an Ulam number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42193) 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, 596 + ... + 662.

It is an arithmetic number, because the mean of its divisors is an integer number (5814).

2⁴²¹⁴³ is an apocalyptic number.

42143 is a deficient number, since it is larger than the sum of its proper divisors (4369).

42143 is a wasteful number, since it uses less digits than its factorization.

42143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121.

The product of its digits is 96, while the sum is 14.

The square root of 42143 is about 205.2876031328. The cubic root of 42143 is about 34.7996719042.

Adding to 42143 its reverse (34124), we get a palindrome (76267).

It can be divided in two parts, 421 and 43, that added together give a palindrome (464).

The spelling of 42143 in words is "forty-two thousand, one hundred forty-three", and thus it is an iban number.