159804461 has 2 divisors, whose sum is σ = 159804462. Its totient is φ = 159804460.

The previous prime is 159804433. The next prime is 159804467. The reversal of 159804461 is 164408951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88924900 + 70879561 = 9430^2 + 8419^2 .

It is a cyclic number.

It is not a de Polignac number, because 159804461 - 2¹⁴ = 159788077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159804467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79902230 + 79902231.

It is an arithmetic number, because the mean of its divisors is an integer number (79902231).

Almost surely, 2^159804461 is an apocalyptic number.

It is an amenable number.

159804461 is a deficient number, since it is larger than the sum of its proper divisors (1).

159804461 is an equidigital number, since it uses as much as digits as its factorization.

159804461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 159804461 is about 12641.3789200387. The cubic root of 159804461 is about 542.6622771205.

The spelling of 159804461 in words is "one hundred fifty-nine million, eight hundred four thousand, four hundred sixty-one".