Base | Representation |
---|---|
bin | 10001001101110… |
… | …11110011001111 |
3 | 101001202111200100 |
4 | 20212323303033 |
5 | 243433033033 |
6 | 22155302143 |
7 | 3402404433 |
oct | 1046736317 |
9 | 331674610 |
10 | 144424143 |
11 | 74583aa6 |
12 | 4044a953 |
13 | 23bc8c96 |
14 | 152769c3 |
15 | ca2c513 |
hex | 89bbccf |
144424143 has 24 divisors (see below), whose sum is σ = 214914128. Its totient is φ = 93405312.
The previous prime is 144424139. The next prime is 144424151. The reversal of 144424143 is 341424441.
It is not a de Polignac number, because 144424143 - 22 = 144424139 is a prime.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144424103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59571 + ... + 61947.
Almost surely, 2144424143 is an apocalyptic number.
144424143 is a deficient number, since it is larger than the sum of its proper divisors (70489985).
144424143 is a wasteful number, since it uses less digits than its factorization.
144424143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2583 (or 2580 counting only the distinct ones).
The product of its digits is 6144, while the sum is 27.
The square root of 144424143 is about 12017.6596307268. The cubic root of 144424143 is about 524.6623897432.
Adding to 144424143 its reverse (341424441), we get a palindrome (485848584).
The spelling of 144424143 in words is "one hundred forty-four million, four hundred twenty-four thousand, one hundred forty-three".
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