143216 has 10 divisors (see below), whose sum is σ = 277512. Its totient is φ = 71600.
The previous prime is 143197. The next prime is 143239. The reversal of 143216 is 612341.
143216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an alternating number because its digits alternate between odd and even.
It is a junction number, because it is equal to n+sod(n) for n = 143194 and 143203.
It is a congruent number.
It is an unprimeable number.
143216 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4460 + ... + 4491.
2143216 is an apocalyptic number.
143216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
143216 is a deficient number, since it is larger than the sum of its proper divisors (134296).
143216 is an equidigital number, since it uses as much as digits as its factorization.
143216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8959 (or 8953 counting only the distinct ones).
The product of its digits is 144, while the sum is 17.
The square root of 143216 is about 378.4388986349. The cubic root of 143216 is about 52.3195315230.
Adding to 143216 its reverse (612341), we get a palindrome (755557).
The spelling of 143216 in words is "one hundred forty-three thousand, two hundred sixteen".
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