142849857259 has 2 divisors, whose sum is σ = 142849857260. Its totient is φ = 142849857258.

The previous prime is 142849857251. The next prime is 142849857299. The reversal of 142849857259 is 952758948241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142849857259 - 2³ = 142849857251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142849857259.

It is not a weakly prime, because it can be changed into another prime (142849857251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71424928629 + 71424928630.

It is an arithmetic number, because the mean of its divisors is an integer number (71424928630).

Almost surely, 2^142849857259 is an apocalyptic number.

142849857259 is a deficient number, since it is larger than the sum of its proper divisors (1).

142849857259 is an equidigital number, since it uses as much as digits as its factorization.

142849857259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58060800, while the sum is 64.

The spelling of 142849857259 in words is "one hundred forty-two billion, eight hundred forty-nine million, eight hundred fifty-seven thousand, two hundred fifty-nine".