142456297 has 2 divisors, whose sum is σ = 142456298. Its totient is φ = 142456296.

The previous prime is 142456283. The next prime is 142456373. The reversal of 142456297 is 792654241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81288256 + 61168041 = 9016^2 + 7821^2 .

It is a cyclic number.

It is not a de Polignac number, because 142456297 - 2⁷ = 142456169 is a prime.

It is not a weakly prime, because it can be changed into another prime (142456217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71228148 + 71228149.

It is an arithmetic number, because the mean of its divisors is an integer number (71228149).

Almost surely, 2^142456297 is an apocalyptic number.

It is an amenable number.

142456297 is a deficient number, since it is larger than the sum of its proper divisors (1).

142456297 is an equidigital number, since it uses as much as digits as its factorization.

142456297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 142456297 is about 11935.5057287071. The cubic root of 142456297 is about 522.2685613743.

The spelling of 142456297 in words is "one hundred forty-two million, four hundred fifty-six thousand, two hundred ninety-seven".