Base | Representation |
---|---|
bin | 10001001100110… |
… | …10010110100111 |
3 | 101001111112202021 |
4 | 20212122112213 |
5 | 243414142033 |
6 | 22152324011 |
7 | 3401264140 |
oct | 1046322647 |
9 | 331445667 |
10 | 144287143 |
11 | 744a0080 |
12 | 403a3607 |
13 | 23b7b810 |
14 | 1523cac7 |
15 | ca01b2d |
hex | 899a5a7 |
144287143 has 64 divisors (see below), whose sum is σ = 209986560. Its totient is φ = 95385600.
The previous prime is 144287141. The next prime is 144287149. The reversal of 144287143 is 341782441.
It is a happy number.
144287143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 144287143 - 21 = 144287141 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 144287099 and 144287108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144287141) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1037968 + ... + 1038106.
It is an arithmetic number, because the mean of its divisors is an integer number (3281040).
Almost surely, 2144287143 is an apocalyptic number.
144287143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
144287143 is a deficient number, since it is larger than the sum of its proper divisors (65699417).
144287143 is a wasteful number, since it uses less digits than its factorization.
144287143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 248.
The product of its digits is 21504, while the sum is 34.
The square root of 144287143 is about 12011.9583332611. The cubic root of 144287143 is about 524.4964399100.
The spelling of 144287143 in words is "one hundred forty-four million, two hundred eighty-seven thousand, one hundred forty-three".
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