Base | Representation |
---|---|
bin | 10001001011101… |
… | …11010000111111 |
3 | 101001020020121022 |
4 | 20211313100333 |
5 | 243400042143 |
6 | 22145254355 |
7 | 3400125134 |
oct | 1045672077 |
9 | 331206538 |
10 | 144143423 |
11 | 744020a6 |
12 | 403343bb |
13 | 23b2b288 |
14 | 1520258b |
15 | c9c4268 |
hex | 897743f |
144143423 has 2 divisors, whose sum is σ = 144143424. Its totient is φ = 144143422.
The previous prime is 144143399. The next prime is 144143449. The reversal of 144143423 is 324341441.
It is an a-pointer prime, because the next prime (144143449) can be obtained adding 144143423 to its sum of digits (26).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 144143423 - 210 = 144142399 is a prime.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 144143392 and 144143401.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (144103423) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72071711 + 72071712.
It is an arithmetic number, because the mean of its divisors is an integer number (72071712).
Almost surely, 2144143423 is an apocalyptic number.
144143423 is a deficient number, since it is larger than the sum of its proper divisors (1).
144143423 is an equidigital number, since it uses as much as digits as its factorization.
144143423 is an evil number, because the sum of its binary digits is even.
The product of its digits is 4608, while the sum is 26.
The square root of 144143423 is about 12005.9744710706. The cubic root of 144143423 is about 524.3222371161.
Adding to 144143423 its reverse (324341441), we get a palindrome (468484864).
The spelling of 144143423 in words is "one hundred forty-four million, one hundred forty-three thousand, four hundred twenty-three".
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