142865958643 has 4 divisors (see below), whose sum is σ = 147792371040. Its totient is φ = 137939546248.

The previous prime is 142865958607. The next prime is 142865958649. The reversal of 142865958643 is 346859568241.

142865958643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-142865958643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142865958649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2463206155 + ... + 2463206212.

It is an arithmetic number, because the mean of its divisors is an integer number (36948092760).

Almost surely, 2^142865958643 is an apocalyptic number.

142865958643 is a deficient number, since it is larger than the sum of its proper divisors (4926412397).

142865958643 is an equidigital number, since it uses as much as digits as its factorization.

142865958643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4926412396.

The product of its digits is 49766400, while the sum is 61.

The spelling of 142865958643 in words is "one hundred forty-two billion, eight hundred sixty-five million, nine hundred fifty-eight thousand, six hundred forty-three".