142797299 has 2 divisors, whose sum is σ = 142797300. Its totient is φ = 142797298.

The previous prime is 142797269. The next prime is 142797307. The reversal of 142797299 is 992797241.

142797299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142797299 is a prime.

It is not a weakly prime, because it can be changed into another prime (142797269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71398649 + 71398650.

It is an arithmetic number, because the mean of its divisors is an integer number (71398650).

Almost surely, 2^142797299 is an apocalyptic number.

142797299 is a deficient number, since it is larger than the sum of its proper divisors (1).

142797299 is an equidigital number, since it uses as much as digits as its factorization.

142797299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 50.

The square root of 142797299 is about 11949.7823829558. The cubic root of 142797299 is about 522.6849527235.

The spelling of 142797299 in words is "one hundred forty-two million, seven hundred ninety-seven thousand, two hundred ninety-nine".