142702817 has 2 divisors, whose sum is σ = 142702818. Its totient is φ = 142702816.

The previous prime is 142702801. The next prime is 142702883. The reversal of 142702817 is 718207241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142659136 + 43681 = 11944^2 + 209^2 .

It is an emirp because it is prime and its reverse (718207241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142702817 - 2⁴ = 142702801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142702897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71351408 + 71351409.

It is an arithmetic number, because the mean of its divisors is an integer number (71351409).

Almost surely, 2^142702817 is an apocalyptic number.

It is an amenable number.

142702817 is a deficient number, since it is larger than the sum of its proper divisors (1).

142702817 is an equidigital number, since it uses as much as digits as its factorization.

142702817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 142702817 is about 11945.8284350647. The cubic root of 142702817 is about 522.5696489192.

The spelling of 142702817 in words is "one hundred forty-two million, seven hundred two thousand, eight hundred seventeen".