2143143143 has 4 divisors (see below), whose sum is σ = 2143860288. Its totient is φ = 2142426000.

The previous prime is 2143143089. The next prime is 2143143157. The reversal of 2143143143 is 3413413412.

It is a happy number.

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 2143143143 - 2⁸ = 2143142887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143143173) 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, 354071 + ... + 360072.

It is an arithmetic number, because the mean of its divisors is an integer number (535965072).

Almost surely, 2^2143143143 is an apocalyptic number.

2143143143 is a deficient number, since it is larger than the sum of its proper divisors (717145).

2143143143 is an equidigital number, since it uses as much as digits as its factorization.

2143143143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717144.

The product of its digits is 3456, while the sum is 26.

The square root of 2143143143 is about 46294.0940401689. The cubic root of 2143143143 is about 1289.2893433651.

Adding to 2143143143 its reverse (3413413412), we get a palindrome (5556556555).

The spelling of 2143143143 in words is "two billion, one hundred forty-three million, one hundred forty-three thousand, one hundred forty-three".