143329 has 2 divisors, whose sum is σ = 143330. Its totient is φ = 143328.
The previous prime is 143291. The next prime is 143333. The reversal of 143329 is 923341.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 140625 + 2704 = 375^2 + 52^2 .
It is an emirp because it is prime and its reverse (923341) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-143329 is a prime.
It is a super-3 number, since 3×1433293 = 8833309902000867, which contains 333 as substring.
It is a Chen prime.
It is an Ulam number.
It is not a weakly prime, because it can be changed into another prime (143629) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71664 + 71665.
It is an arithmetic number, because the mean of its divisors is an integer number (71665).
2143329 is an apocalyptic number.
It is an amenable number.
143329 is a deficient number, since it is larger than the sum of its proper divisors (1).
143329 is an equidigital number, since it uses as much as digits as its factorization.
143329 is an evil number, because the sum of its binary digits is even.
The product of its digits is 648, while the sum is 22.
The square root of 143329 is about 378.5881667459. The cubic root of 143329 is about 52.3332882560. Note that the first 3 decimals are identical.
It can be divided in two parts, 14332 and 9, that added together give a palindrome (14341).
The spelling of 143329 in words is "one hundred forty-three thousand, three hundred twenty-nine".
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