142840559 has 2 divisors, whose sum is σ = 142840560. Its totient is φ = 142840558.

The previous prime is 142840553. The next prime is 142840637. The reversal of 142840559 is 955048241.

142840559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142840559 - 2⁴ = 142840543 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142840553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71420279 + 71420280.

It is an arithmetic number, because the mean of its divisors is an integer number (71420280).

Almost surely, 2^142840559 is an apocalyptic number.

142840559 is a deficient number, since it is larger than the sum of its proper divisors (1).

142840559 is an equidigital number, since it uses as much as digits as its factorization.

142840559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 142840559 is about 11951.5923206910. The cubic root of 142840559 is about 522.7377293242.

The spelling of 142840559 in words is "one hundred forty-two million, eight hundred forty thousand, five hundred fifty-nine".