142443043 has 4 divisors (see below), whose sum is σ = 142729000. Its totient is φ = 142157088.

The previous prime is 142443013. The next prime is 142443097. The reversal of 142443043 is 340344241.

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-142443043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142442999 and 142443017.

It is not an unprimeable number, because it can be changed into a prime (142443013) 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, 142230 + ... + 143227.

It is an arithmetic number, because the mean of its divisors is an integer number (35682250).

Almost surely, 2^142443043 is an apocalyptic number.

142443043 is a deficient number, since it is larger than the sum of its proper divisors (285957).

142443043 is an equidigital number, since it uses as much as digits as its factorization.

142443043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285956.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 142443043 is about 11934.9504816736. The cubic root of 142443043 is about 522.2523637466.

Adding to 142443043 its reverse (340344241), we get a palindrome (482787284).

The spelling of 142443043 in words is "one hundred forty-two million, four hundred forty-three thousand, forty-three".