158030819 has 2 divisors, whose sum is σ = 158030820. Its totient is φ = 158030818.

The previous prime is 158030783. The next prime is 158030833. The reversal of 158030819 is 918030851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158030819 - 2¹² = 158026723 is a prime.

It is a super-2 number, since 2×158030819² = 49947479507621522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (158030849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79015409 + 79015410.

It is an arithmetic number, because the mean of its divisors is an integer number (79015410).

Almost surely, 2^158030819 is an apocalyptic number.

158030819 is a deficient number, since it is larger than the sum of its proper divisors (1).

158030819 is an equidigital number, since it uses as much as digits as its factorization.

158030819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 158030819 is about 12571.0309441986. The cubic root of 158030819 is about 540.6471653358.

The spelling of 158030819 in words is "one hundred fifty-eight million, thirty thousand, eight hundred nineteen".