142344342443 has 4 divisors (see below), whose sum is σ = 149836149960. Its totient is φ = 134852534928.

The previous prime is 142344342431. The next prime is 142344342449. The reversal of 142344342443 is 344243443241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344243443241 = 461 ⋅746731981.

It is a cyclic number.

It is not a de Polignac number, because 142344342443 - 2⁸ = 142344342187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142344342397 and 142344342406.

It is not an unprimeable number, because it can be changed into a prime (142344342449) 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, 3745903730 + ... + 3745903767.

It is an arithmetic number, because the mean of its divisors is an integer number (37459037490).

Almost surely, 2^142344342443 is an apocalyptic number.

142344342443 is a deficient number, since it is larger than the sum of its proper divisors (7491807517).

142344342443 is an equidigital number, since it uses as much as digits as its factorization.

142344342443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7491807516.

The product of its digits is 442368, while the sum is 38.

Adding to 142344342443 its reverse (344243443241), we get a palindrome (486587785684).

The spelling of 142344342443 in words is "one hundred forty-two billion, three hundred forty-four million, three hundred forty-two thousand, four hundred forty-three".