142306793 has 2 divisors, whose sum is σ = 142306794. Its totient is φ = 142306792.

The previous prime is 142306763. The next prime is 142306867. The reversal of 142306793 is 397603241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89264704 + 53042089 = 9448^2 + 7283^2 .

It is a cyclic number.

It is not a de Polignac number, because 142306793 - 2¹⁰ = 142305769 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (142306753) 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, 71153396 + 71153397.

It is an arithmetic number, because the mean of its divisors is an integer number (71153397).

Almost surely, 2^142306793 is an apocalyptic number.

It is an amenable number.

142306793 is a deficient number, since it is larger than the sum of its proper divisors (1).

142306793 is an equidigital number, since it uses as much as digits as its factorization.

142306793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 142306793 is about 11929.2410906981. The cubic root of 142306793 is about 522.0857952177.

The spelling of 142306793 in words is "one hundred forty-two million, three hundred six thousand, seven hundred ninety-three".