142999578947 has 2 divisors, whose sum is σ = 142999578948. Its totient is φ = 142999578946.

The previous prime is 142999578923. The next prime is 142999579013. The reversal of 142999578947 is 749875999241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142999578947 - 2²² = 142995384643 is a prime.

It is not a weakly prime, because it can be changed into another prime (142999577947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71499789473 + 71499789474.

It is an arithmetic number, because the mean of its divisors is an integer number (71499789474).

Almost surely, 2^142999578947 is an apocalyptic number.

142999578947 is a deficient number, since it is larger than the sum of its proper divisors (1).

142999578947 is an equidigital number, since it uses as much as digits as its factorization.

142999578947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 411505920, while the sum is 74.

The spelling of 142999578947 in words is "one hundred forty-two billion, nine hundred ninety-nine million, five hundred seventy-eight thousand, nine hundred forty-seven".