2142000043 has 4 divisors (see below), whose sum is σ = 2187574560. Its totient is φ = 2096425528.

The previous prime is 2142000037. The next prime is 2142000053. The reversal of 2142000043 is 3400002412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2142000043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2141999990 and 2142000026.

It is not an unprimeable number, because it can be changed into a prime (2142000013) 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, 22787188 + ... + 22787281.

It is an arithmetic number, because the mean of its divisors is an integer number (546893640).

Almost surely, 2^2142000043 is an apocalyptic number.

2142000043 is a deficient number, since it is larger than the sum of its proper divisors (45574517).

2142000043 is an equidigital number, since it uses as much as digits as its factorization.

2142000043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45574516.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2142000043 is about 46281.7463261705. The cubic root of 2142000043 is about 1289.0600774918.

Adding to 2142000043 its reverse (3400002412), we get a palindrome (5542002455).

The spelling of 2142000043 in words is "two billion, one hundred forty-two million, forty-three", and thus it is an aban number.