2142142143 has 4 divisors (see below), whose sum is σ = 2856189528. Its totient is φ = 1428094760.

The previous prime is 2142142141. The next prime is 2142142199. The reversal of 2142142143 is 3412412412.

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

It is a cyclic number.

It is not a de Polignac number, because 2142142143 - 2¹ = 2142142141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142142141) 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, 357023688 + ... + 357023693.

It is an arithmetic number, because the mean of its divisors is an integer number (714047382).

Almost surely, 2^2142142143 is an apocalyptic number.

2142142143 is a deficient number, since it is larger than the sum of its proper divisors (714047385).

2142142143 is an equidigital number, since it uses as much as digits as its factorization.

2142142143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714047384.

The product of its digits is 1536, while the sum is 24.

The square root of 2142142143 is about 46283.2814631806. The cubic root of 2142142143 is about 1289.0885822199.

Adding to 2142142143 its reverse (3412412412), we get a palindrome (5554554555).

The spelling of 2142142143 in words is "two billion, one hundred forty-two million, one hundred forty-two thousand, one hundred forty-three".