144272 has 20 divisors (see below), whose sum is σ = 285696. Its totient is φ = 70560.
The previous prime is 144271. The next prime is 144289. The reversal of 144272 is 272441.
It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (144271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073 + ... + 1199.
2144272 is an apocalyptic number.
It is an amenable number.
144272 is a deficient number, since it is larger than the sum of its proper divisors (141424).
144272 is a wasteful number, since it uses less digits than its factorization.
144272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 206 (or 200 counting only the distinct ones).
The product of its digits is 448, while the sum is 20.
The square root of 144272 is about 379.8315416076. The cubic root of 144272 is about 52.4478090556.
The spelling of 144272 in words is "one hundred forty-four thousand, two hundred seventy-two", and thus it is an iban number.
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