158158843 has 2 divisors, whose sum is σ = 158158844. Its totient is φ = 158158842.

The previous prime is 158158813. The next prime is 158158867. The reversal of 158158843 is 348851851.

It is a strong prime.

It is an emirp because it is prime and its reverse (348851851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158158843 - 2²¹ = 156061691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158158843.

It is not a weakly prime, because it can be changed into another prime (158158813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79079421 + 79079422.

It is an arithmetic number, because the mean of its divisors is an integer number (79079422).

Almost surely, 2^158158843 is an apocalyptic number.

158158843 is a deficient number, since it is larger than the sum of its proper divisors (1).

158158843 is an equidigital number, since it uses as much as digits as its factorization.

158158843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153600, while the sum is 43.

The square root of 158158843 is about 12576.1219380221. The cubic root of 158158843 is about 540.7931223723.

The spelling of 158158843 in words is "one hundred fifty-eight million, one hundred fifty-eight thousand, eight hundred forty-three".