Base | Representation |
---|---|
bin | 10001001100011… |
… | …11110110101111 |
3 | 101001102100202200 |
4 | 20212033312233 |
5 | 243411303033 |
6 | 22151352543 |
7 | 3401024601 |
oct | 1046176657 |
9 | 331370680 |
10 | 144244143 |
11 | 7447083a |
12 | 40382753 |
13 | 23b65084 |
14 | 1522b171 |
15 | c9e4013 |
hex | 898fdaf |
144244143 has 24 divisors (see below), whose sum is σ = 220038000. Its totient is φ = 90802944.
The previous prime is 144244129. The next prime is 144244151. The reversal of 144244143 is 341442441.
It is not a de Polignac number, because 144244143 - 24 = 144244127 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144244153) 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, 58471 + ... + 60887.
It is an arithmetic number, because the mean of its divisors is an integer number (9168250).
Almost surely, 2144244143 is an apocalyptic number.
144244143 is a deficient number, since it is larger than the sum of its proper divisors (75793857).
144244143 is a wasteful number, since it uses less digits than its factorization.
144244143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2791 (or 2788 counting only the distinct ones).
The product of its digits is 6144, while the sum is 27.
The square root of 144244143 is about 12010.1683168888. The cubic root of 144244143 is about 524.4443318075. Note that the first 3 decimals are identical.
Adding to 144244143 its reverse (341442441), we get a palindrome (485686584).
The spelling of 144244143 in words is "one hundred forty-four million, two hundred forty-four thousand, one hundred forty-three".
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