158999363 has 2 divisors, whose sum is σ = 158999364. Its totient is φ = 158999362.

The previous prime is 158999333. The next prime is 158999369. The reversal of 158999363 is 363999851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158999363 - 2¹⁰ = 158998339 is a prime.

It is not a weakly prime, because it can be changed into another prime (158999369) 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, 79499681 + 79499682.

It is an arithmetic number, because the mean of its divisors is an integer number (79499682).

Almost surely, 2^158999363 is an apocalyptic number.

158999363 is a deficient number, since it is larger than the sum of its proper divisors (1).

158999363 is an equidigital number, since it uses as much as digits as its factorization.

158999363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1574640, while the sum is 53.

The square root of 158999363 is about 12609.4949542002. The cubic root of 158999363 is about 541.7494280275.

The spelling of 158999363 in words is "one hundred fifty-eight million, nine hundred ninety-nine thousand, three hundred sixty-three".