144068 has 6 divisors (see below), whose sum is σ = 252126. Its totient is φ = 72032.
The previous prime is 144061. The next prime is 144071. The reversal of 144068 is 860441.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 123904 + 20164 = 352^2 + 142^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144061) by changing a digit.
144068 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
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 as a sum of consecutive naturals, namely, 18005 + ... + 18012.
It is an arithmetic number, because the mean of its divisors is an integer number (42021).
2144068 is an apocalyptic number.
It is an amenable number.
144068 is a deficient number, since it is larger than the sum of its proper divisors (108058).
144068 is a wasteful number, since it uses less digits than its factorization.
144068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36021 (or 36019 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 144068 is about 379.5629065122. The cubic root of 144068 is about 52.4230770680.
The spelling of 144068 in words is "one hundred forty-four thousand, sixty-eight".
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