143743 has 2 divisors, whose sum is σ = 143744. Its totient is φ = 143742.
The previous prime is 143729. The next prime is 143779. The reversal of 143743 is 347341.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (347341) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 143743 - 25 = 143711 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (143243) 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, 71871 + 71872.
It is an arithmetic number, because the mean of its divisors is an integer number (71872).
2143743 is an apocalyptic number.
143743 is a deficient number, since it is larger than the sum of its proper divisors (1).
143743 is an equidigital number, since it uses as much as digits as its factorization.
143743 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1008, while the sum is 22.
The square root of 143743 is about 379.1345407636. The cubic root of 143743 is about 52.3836273460.
The spelling of 143743 in words is "one hundred forty-three thousand, seven hundred forty-three", and thus it is an iban number.
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