Base | Representation |
---|---|
bin | 10001001101000… |
… | …01101011010111 |
3 | 101001120001220101 |
4 | 20212201223113 |
5 | 243421122033 |
6 | 22153114531 |
7 | 3401450455 |
oct | 1046415327 |
9 | 331501811 |
10 | 144317143 |
11 | 74510673 |
12 | 403b8a47 |
13 | 23b8c379 |
14 | 152499d5 |
15 | ca0a97d |
hex | 89a1ad7 |
144317143 has 4 divisors (see below), whose sum is σ = 144593608. Its totient is φ = 144040680.
The previous prime is 144317123. The next prime is 144317153. The reversal of 144317143 is 341713441.
144317143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341713441 = 2411 ⋅141731.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-144317143 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 (144317123) 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, 137448 + ... + 138493.
It is an arithmetic number, because the mean of its divisors is an integer number (36148402).
Almost surely, 2144317143 is an apocalyptic number.
144317143 is a deficient number, since it is larger than the sum of its proper divisors (276465).
144317143 is an equidigital number, since it uses as much as digits as its factorization.
144317143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 276464.
The product of its digits is 4032, while the sum is 28.
The square root of 144317143 is about 12013.2070239383. The cubic root of 144317143 is about 524.5327882694.
The spelling of 144317143 in words is "one hundred forty-four million, three hundred seventeen thousand, one hundred forty-three".
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