158863 has 2 divisors, whose sum is σ = 158864. Its totient is φ = 158862.

The previous prime is 158849. The next prime is 158867. The reversal of 158863 is 368851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158863 - 2⁹ = 158351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79431 + 79432.

It is an arithmetic number, because the mean of its divisors is an integer number (79432).

2¹⁵⁸⁸⁶³ is an apocalyptic number.

158863 is a deficient number, since it is larger than the sum of its proper divisors (1).

158863 is an equidigital number, since it uses as much as digits as its factorization.

158863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 31.

The square root of 158863 is about 398.5762160491. The cubic root of 158863 is about 54.1594509783.

The spelling of 158863 in words is "one hundred fifty-eight thousand, eight hundred sixty-three".