142996859 has 2 divisors, whose sum is σ = 142996860. Its totient is φ = 142996858.

The previous prime is 142996781. The next prime is 142996879. The reversal of 142996859 is 958699241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142996859 is a prime.

It is a super-3 number, since 3×142996859³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142996859.

It is not a weakly prime, because it can be changed into another prime (142996879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71498429 + 71498430.

It is an arithmetic number, because the mean of its divisors is an integer number (71498430).

Almost surely, 2^142996859 is an apocalyptic number.

142996859 is a deficient number, since it is larger than the sum of its proper divisors (1).

142996859 is an equidigital number, since it uses as much as digits as its factorization.

142996859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 53.

The square root of 142996859 is about 11958.1294105725. The cubic root of 142996859 is about 522.9283244066.

The spelling of 142996859 in words is "one hundred forty-two million, nine hundred ninety-six thousand, eight hundred fifty-nine".