144105 has 16 divisors (see below), whose sum is σ = 248640. Its totient is φ = 70848.
The previous prime is 144103. The next prime is 144139. The reversal of 144105 is 501441.
144105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 144105 - 21 = 144103 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144103) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175 + ... + 564.
It is an arithmetic number, because the mean of its divisors is an integer number (15540).
2144105 is an apocalyptic number.
144105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
144105 is a deficient number, since it is larger than the sum of its proper divisors (104535).
144105 is a wasteful number, since it uses less digits than its factorization.
144105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 760.
The product of its (nonzero) digits is 80, while the sum is 15.
The square root of 144105 is about 379.6116436570. The cubic root of 144105 is about 52.4275645041.
Adding to 144105 its reverse (501441), we get a palindrome (645546).
The spelling of 144105 in words is "one hundred forty-four thousand, one hundred five".
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