142317199 has 2 divisors, whose sum is σ = 142317200. Its totient is φ = 142317198.

The previous prime is 142317193. The next prime is 142317211. The reversal of 142317199 is 991713241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142317199 - 2⁹ = 142316687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142317193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71158599 + 71158600.

It is an arithmetic number, because the mean of its divisors is an integer number (71158600).

Almost surely, 2^142317199 is an apocalyptic number.

142317199 is a deficient number, since it is larger than the sum of its proper divisors (1).

142317199 is an equidigital number, since it uses as much as digits as its factorization.

142317199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 37.

The square root of 142317199 is about 11929.6772378803. The cubic root of 142317199 is about 522.0985205235.

The spelling of 142317199 in words is "one hundred forty-two million, three hundred seventeen thousand, one hundred ninety-nine".