158843 has 2 divisors, whose sum is σ = 158844. Its totient is φ = 158842.
The previous prime is 158803. The next prime is 158849. The reversal of 158843 is 348851.
It is a strong prime.
It is an emirp because it is prime and its reverse (348851) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 158843 - 212 = 154747 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (158849) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79421 + 79422.
It is an arithmetic number, because the mean of its divisors is an integer number (79422).
2158843 is an apocalyptic number.
158843 is a deficient number, since it is larger than the sum of its proper divisors (1).
158843 is an equidigital number, since it uses as much as digits as its factorization.
158843 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3840, while the sum is 29.
The square root of 158843 is about 398.5511259550. The cubic root of 158843 is about 54.1571780881.
It can be divided in two parts, 158 and 843, that added together give a palindrome (1001).
The spelling of 158843 in words is "one hundred fifty-eight thousand, eight hundred forty-three".
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