142583717 has 2 divisors, whose sum is σ = 142583718. Its totient is φ = 142583716.

The previous prime is 142583677. The next prime is 142583729. The reversal of 142583717 is 717385241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122567041 + 20016676 = 11071^2 + 4474^2 .

It is a cyclic number.

It is not a de Polignac number, because 142583717 - 2⁶ = 142583653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142583737) 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, 71291858 + 71291859.

It is an arithmetic number, because the mean of its divisors is an integer number (71291859).

Almost surely, 2^142583717 is an apocalyptic number.

It is an amenable number.

142583717 is a deficient number, since it is larger than the sum of its proper divisors (1).

142583717 is an equidigital number, since it uses as much as digits as its factorization.

142583717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 38.

The square root of 142583717 is about 11940.8423907193. The cubic root of 142583717 is about 522.4242293001.

The spelling of 142583717 in words is "one hundred forty-two million, five hundred eighty-three thousand, seven hundred seventeen".