4142143 has 4 divisors (see below), whose sum is σ = 4147920. Its totient is φ = 4136368.

The previous prime is 4142129. The next prime is 4142161. The reversal of 4142143 is 3412414.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4142143 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 4142143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4148143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1630 + ... + 3307.

It is an arithmetic number, because the mean of its divisors is an integer number (1036980).

Almost surely, 2^4142143 is an apocalyptic number.

4142143 is a deficient number, since it is larger than the sum of its proper divisors (5777).

4142143 is an equidigital number, since it uses as much as digits as its factorization.

4142143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5776.

The product of its digits is 384, while the sum is 19.

The square root of 4142143 is about 2035.2255403272. The cubic root of 4142143 is about 160.5985781710.

Adding to 4142143 its reverse (3412414), we get a palindrome (7554557).

The spelling of 4142143 in words is "four million, one hundred forty-two thousand, one hundred forty-three".