142956199847 has 2 divisors, whose sum is σ = 142956199848. Its totient is φ = 142956199846.

The previous prime is 142956199829. The next prime is 142956199853. The reversal of 142956199847 is 748991659241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142956199847 - 2¹² = 142956195751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142956196847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71478099923 + 71478099924.

It is an arithmetic number, because the mean of its divisors is an integer number (71478099924).

Almost surely, 2^142956199847 is an apocalyptic number.

142956199847 is a deficient number, since it is larger than the sum of its proper divisors (1).

142956199847 is an equidigital number, since it uses as much as digits as its factorization.

142956199847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39191040, while the sum is 65.

The spelling of 142956199847 in words is "one hundred forty-two billion, nine hundred fifty-six million, one hundred ninety-nine thousand, eight hundred forty-seven".