2142140443 has 16 divisors (see below), whose sum is σ = 2270935296. Its totient is φ = 2016511200.

The previous prime is 2142140423. The next prime is 2142140513. The reversal of 2142140443 is 3440412412.

It is not a de Polignac number, because 2142140443 - 2⁹ = 2142139931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142140423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526768 + ... + 530818.

It is an arithmetic number, because the mean of its divisors is an integer number (141933456).

Almost surely, 2^2142140443 is an apocalyptic number.

2142140443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2142140443 is a deficient number, since it is larger than the sum of its proper divisors (128794853).

2142140443 is a wasteful number, since it uses less digits than its factorization.

2142140443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4434.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 2142140443 is about 46283.2630980142. The cubic root of 2142140443 is about 1289.0882412137.

Adding to 2142140443 its reverse (3440412412), we get a palindrome (5582552855).

The spelling of 2142140443 in words is "two billion, one hundred forty-two million, one hundred forty thousand, four hundred forty-three".