142796657 has 2 divisors, whose sum is σ = 142796658. Its totient is φ = 142796656.

The previous prime is 142796557. The next prime is 142796659. The reversal of 142796657 is 756697241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142301041 + 495616 = 11929^2 + 704^2 .

It is a cyclic number.

It is not a de Polignac number, because 142796657 - 2²² = 138602353 is a prime.

Together with 142796659, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142796659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71398328 + 71398329.

It is an arithmetic number, because the mean of its divisors is an integer number (71398329).

Almost surely, 2^142796657 is an apocalyptic number.

It is an amenable number.

142796657 is a deficient number, since it is larger than the sum of its proper divisors (1).

142796657 is an equidigital number, since it uses as much as digits as its factorization.

142796657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 47.

The square root of 142796657 is about 11949.7555205117. The cubic root of 142796657 is about 522.6841694121.

The spelling of 142796657 in words is "one hundred forty-two million, seven hundred ninety-six thousand, six hundred fifty-seven".