2142053443 has 4 divisors (see below), whose sum is σ = 2158405128. Its totient is φ = 2125701760.

The previous prime is 2142053413. The next prime is 2142053447. The reversal of 2142053443 is 3443502412.

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 2142053443 - 2²⁵ = 2108499011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142053447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8175646 + ... + 8175907.

It is an arithmetic number, because the mean of its divisors is an integer number (539601282).

Almost surely, 2^2142053443 is an apocalyptic number.

2142053443 is a deficient number, since it is larger than the sum of its proper divisors (16351685).

2142053443 is a wasteful number, since it uses less digits than its factorization.

2142053443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16351684.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2142053443 is about 46282.3232238832. The cubic root of 2142053443 is about 1289.0707894797.

Adding to 2142053443 its reverse (3443502412), we get a palindrome (5585555855).

The spelling of 2142053443 in words is "two billion, one hundred forty-two million, fifty-three thousand, four hundred forty-three".