43144 has 8 divisors (see below), whose sum is σ = 80910. Its totient is φ = 21568.
The previous prime is 43133. The next prime is 43151. The reversal of 43144 is 44134.
It can be written as a sum of positive squares in only one way, i.e., 26244 + 16900 = 162^2 + 130^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×431442 = 3722809472, which contains 22 as substring.
It is a nialpdrome in base 15 and base 16.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2689 + ... + 2704.
243144 is an apocalyptic number.
It is an amenable number.
43144 is a deficient number, since it is larger than the sum of its proper divisors (37766).
43144 is a wasteful number, since it uses less digits than its factorization.
43144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5399 (or 5395 counting only the distinct ones).
The product of its digits is 192, while the sum is 16.
The square root of 43144 is about 207.7113381595. The cubic root of 43144 is about 35.0730447291.
Adding to 43144 its reverse (44134), we get a palindrome (87278).
Subtracting 43144 from its reverse (44134), we obtain a triangular number (990 = T44).
The spelling of 43144 in words is "forty-three thousand, one hundred forty-four", and thus it is an iban number.
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