158030017 has 2 divisors, whose sum is σ = 158030018. Its totient is φ = 158030016.

The previous prime is 158030009. The next prime is 158030023. The reversal of 158030017 is 710030851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108805761 + 49224256 = 10431^2 + 7016^2 .

It is a cyclic number.

It is not a de Polignac number, because 158030017 - 2³ = 158030009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158029973 and 158030000.

It is not a weakly prime, because it can be changed into another prime (158030057) 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, 79015008 + 79015009.

It is an arithmetic number, because the mean of its divisors is an integer number (79015009).

Almost surely, 2^158030017 is an apocalyptic number.

It is an amenable number.

158030017 is a deficient number, since it is larger than the sum of its proper divisors (1).

158030017 is an equidigital number, since it uses as much as digits as its factorization.

158030017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 158030017 is about 12570.9990454220. Note that the first 3 decimals coincide. The cubic root of 158030017 is about 540.6462507467.

Adding to 158030017 its reverse (710030851), we get a palindrome (868060868).

The spelling of 158030017 in words is "one hundred fifty-eight million, thirty thousand, seventeen".