2142143434 has 8 divisors (see below), whose sum is σ = 3213543780. Its totient is φ = 1070962176.

The previous prime is 2142143411. The next prime is 2142143459. The reversal of 2142143434 is 4343412412.

It can be written as a sum of positive squares in 2 ways, for example, as 2134162809 + 7980625 = 46197^2 + 2825^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27639 + ... + 71050.

Almost surely, 2^2142143434 is an apocalyptic number.

2142143434 is a deficient number, since it is larger than the sum of its proper divisors (1071400346).

2142143434 is a wasteful number, since it uses less digits than its factorization.

2142143434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109544.

The product of its digits is 9216, while the sum is 28.

The square root of 2142143434 is about 46283.2954098992. The cubic root of 2142143434 is about 1289.0888411839.

Adding to 2142143434 its reverse (4343412412), we get a palindrome (6485555846).

The spelling of 2142143434 in words is "two billion, one hundred forty-two million, one hundred forty-three thousand, four hundred thirty-four".