Base | Representation |
---|---|
bin | 10001001110110… |
… | …00110110101010 |
3 | 101001222112220212 |
4 | 20213120312222 |
5 | 244000340041 |
6 | 22202021122 |
7 | 3403411406 |
oct | 1047306652 |
9 | 331875825 |
10 | 144543146 |
11 | 74655450 |
12 | 404a77a2 |
13 | 23c3b1b7 |
14 | 152a8106 |
15 | ca528eb |
hex | 89d8daa |
144543146 has 32 divisors (see below), whose sum is σ = 263632320. Its totient is φ = 58579200.
The previous prime is 144543143. The next prime is 144543211. The reversal of 144543146 is 641345441.
144543146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (144543143) 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, 3065 + ... + 17276.
It is an arithmetic number, because the mean of its divisors is an integer number (8238510).
Almost surely, 2144543146 is an apocalyptic number.
144543146 is a deficient number, since it is larger than the sum of its proper divisors (119089174).
144543146 is a wasteful number, since it uses less digits than its factorization.
144543146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20390.
The product of its digits is 23040, while the sum is 32.
The square root of 144543146 is about 12022.6097832376. The cubic root of 144543146 is about 524.8064544314.
Adding to 144543146 its reverse (641345441), we get a palindrome (785888587).
The spelling of 144543146 in words is "one hundred forty-four million, five hundred forty-three thousand, one hundred forty-six".
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