842158459 has 2 divisors, whose sum is σ = 842158460. Its totient is φ = 842158458.

The previous prime is 842158453. The next prime is 842158481. The reversal of 842158459 is 954851248.

842158459 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 842158459 - 2¹¹ = 842156411 is a prime.

It is not a weakly prime, because it can be changed into another prime (842158453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421079229 + 421079230.

It is an arithmetic number, because the mean of its divisors is an integer number (421079230).

Almost surely, 2^842158459 is an apocalyptic number.

842158459 is a deficient number, since it is larger than the sum of its proper divisors (1).

842158459 is an equidigital number, since it uses as much as digits as its factorization.

842158459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 460800, while the sum is 46.

The square root of 842158459 is about 29019.9665575273. The cubic root of 842158459 is about 944.3462753844.

The spelling of 842158459 in words is "eight hundred forty-two million, one hundred fifty-eight thousand, four hundred fifty-nine".