143275 has 12 divisors (see below), whose sum is σ = 194184. Its totient is φ = 104000.
The previous prime is 143263. The next prime is 143281. The reversal of 143275 is 572341.
It is not a de Polignac number, because 143275 - 25 = 143243 is a prime.
It is a Duffinian number.
It is a plaindrome in base 7.
It is a nialpdrome in base 11.
It is an unprimeable number.
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 in 11 ways as a sum of consecutive naturals, for example, 15 + ... + 535.
It is an arithmetic number, because the mean of its divisors is an integer number (16182).
2143275 is an apocalyptic number.
143275 is a deficient number, since it is larger than the sum of its proper divisors (50909).
143275 is a wasteful number, since it uses less digits than its factorization.
143275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 542 (or 537 counting only the distinct ones).
The product of its digits is 840, while the sum is 22.
The square root of 143275 is about 378.5168424258. The cubic root of 143275 is about 52.3267151444.
The spelling of 143275 in words is "one hundred forty-three thousand, two hundred seventy-five".
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