2142173143 has 8 divisors (see below), whose sum is σ = 2339272080. Its totient is φ = 1945466880.

The previous prime is 2142173141. The next prime is 2142173153. The reversal of 2142173143 is 3413712412.

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 2142173143 - 2¹ = 2142173141 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 (2142173141) 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, 86698 + ... + 108631.

It is an arithmetic number, because the mean of its divisors is an integer number (292409010).

Almost surely, 2^2142173143 is an apocalyptic number.

2142173143 is a deficient number, since it is larger than the sum of its proper divisors (197098937).

2142173143 is a wasteful number, since it uses less digits than its factorization.

2142173143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196337.

The product of its digits is 4032, while the sum is 28.

The square root of 2142173143 is about 46283.6163561146. The cubic root of 2142173143 is about 1289.0948005364.

Adding to 2142173143 its reverse (3413712412), we get a palindrome (5555885555).

The spelling of 2142173143 in words is "two billion, one hundred forty-two million, one hundred seventy-three thousand, one hundred forty-three".