142769659 has 2 divisors, whose sum is σ = 142769660. Its totient is φ = 142769658.

The previous prime is 142769657. The next prime is 142769681. The reversal of 142769659 is 956967241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142769659 - 2¹ = 142769657 is a prime.

Together with 142769657, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (142769657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71384829 + 71384830.

It is an arithmetic number, because the mean of its divisors is an integer number (71384830).

Almost surely, 2^142769659 is an apocalyptic number.

142769659 is a deficient number, since it is larger than the sum of its proper divisors (1).

142769659 is an equidigital number, since it uses as much as digits as its factorization.

142769659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The square root of 142769659 is about 11948.6258205703. The cubic root of 142769659 is about 522.6512267254.

The spelling of 142769659 in words is "one hundred forty-two million, seven hundred sixty-nine thousand, six hundred fifty-nine".