142975663599 has 4 divisors (see below), whose sum is σ = 190634218136. Its totient is φ = 95317109064.

The previous prime is 142975663591. The next prime is 142975663609. The reversal of 142975663599 is 995366579241.

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

It is not a de Polignac number, because 142975663599 - 2³ = 142975663591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142975663591) 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, 23829277264 + ... + 23829277269.

It is an arithmetic number, because the mean of its divisors is an integer number (47658554534).

Almost surely, 2^142975663599 is an apocalyptic number.

142975663599 is a deficient number, since it is larger than the sum of its proper divisors (47658554537).

142975663599 is an equidigital number, since it uses as much as digits as its factorization.

142975663599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47658554536.

The product of its digits is 110224800, while the sum is 66.

The spelling of 142975663599 in words is "one hundred forty-two billion, nine hundred seventy-five million, six hundred sixty-three thousand, five hundred ninety-nine".