142543061443843 has 2 divisors, whose sum is σ = 142543061443844. Its totient is φ = 142543061443842.

The previous prime is 142543061443807. The next prime is 142543061443891. The reversal of 142543061443843 is 348344160345241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142543061443843 is a prime.

It is not a weakly prime, because it can be changed into another prime (142543061443043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71271530721921 + 71271530721922.

It is an arithmetic number, because the mean of its divisors is an integer number (71271530721922).

Almost surely, 2^{142543061443843} is an apocalyptic number.

142543061443843 is a deficient number, since it is larger than the sum of its proper divisors (1).

142543061443843 is an equidigital number, since it uses as much as digits as its factorization.

142543061443843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13271040, while the sum is 52.

The spelling of 142543061443843 in words is "one hundred forty-two trillion, five hundred forty-three billion, sixty-one million, four hundred forty-three thousand, eight hundred forty-three".