158143 has 2 divisors, whose sum is σ = 158144. Its totient is φ = 158142.
The previous prime is 158141. The next prime is 158161. The reversal of 158143 is 341851.
It is a weak prime.
It is an emirp because it is prime and its reverse (341851) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 158143 - 21 = 158141 is a prime.
Together with 158141, it forms a pair of twin primes.
It is an Ulam number.
It is a plaindrome in base 16.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (158141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79071 + 79072.
It is an arithmetic number, because the mean of its divisors is an integer number (79072).
2158143 is an apocalyptic number.
158143 is a deficient number, since it is larger than the sum of its proper divisors (1).
158143 is an equidigital number, since it uses as much as digits as its factorization.
158143 is an evil number, because the sum of its binary digits is even.
The product of its digits is 480, while the sum is 22.
The square root of 158143 is about 397.6719753767. The cubic root of 158143 is about 54.0775064426.
Adding to 158143 its reverse (341851), we get a palindrome (499994).
The spelling of 158143 in words is "one hundred fifty-eight thousand, one hundred forty-three".
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