142023659 has 2 divisors, whose sum is σ = 142023660. Its totient is φ = 142023658.

The previous prime is 142023611. The next prime is 142023683. The reversal of 142023659 is 956320241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142023659 - 2¹⁶ = 141958123 is a prime.

It is not a weakly prime, because it can be changed into another prime (142022659) 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, 71011829 + 71011830.

It is an arithmetic number, because the mean of its divisors is an integer number (71011830).

Almost surely, 2^142023659 is an apocalyptic number.

142023659 is a deficient number, since it is larger than the sum of its proper divisors (1).

142023659 is an equidigital number, since it uses as much as digits as its factorization.

142023659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 142023659 is about 11917.3679560547. The cubic root of 142023659 is about 521.7393175375.

The spelling of 142023659 in words is "one hundred forty-two million, twenty-three thousand, six hundred fifty-nine".