Base | Representation |
---|---|
bin | 10001001101011… |
… | …01011001010111 |
3 | 101001122111202011 |
4 | 20212231121113 |
5 | 243424141033 |
6 | 22154125051 |
7 | 3402040426 |
oct | 1046553127 |
9 | 331574664 |
10 | 144365143 |
11 | 7454373a |
12 | 40420787 |
13 | 23ba8180 |
14 | 1525d2bd |
15 | ca19ccd |
hex | 89ad657 |
144365143 has 4 divisors (see below), whose sum is σ = 155470168. Its totient is φ = 133260120.
The previous prime is 144365131. The next prime is 144365167. The reversal of 144365143 is 341563441.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341563441 = 313 ⋅1091257.
It is a cyclic number.
It is not a de Polignac number, because 144365143 - 213 = 144356951 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144365183) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5552493 + ... + 5552518.
It is an arithmetic number, because the mean of its divisors is an integer number (38867542).
Almost surely, 2144365143 is an apocalyptic number.
144365143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
144365143 is a deficient number, since it is larger than the sum of its proper divisors (11105025).
144365143 is a wasteful number, since it uses less digits than its factorization.
144365143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11105024.
The product of its digits is 17280, while the sum is 31.
The square root of 144365143 is about 12015.2046590976. The cubic root of 144365143 is about 524.5909351684.
The spelling of 144365143 in words is "one hundred forty-four million, three hundred sixty-five thousand, one hundred forty-three".
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