Base | Representation |
---|---|
bin | 10001001011101… |
… | …01101100110001 |
3 | 101001012220210202 |
4 | 20211311230301 |
5 | 243344341014 |
6 | 22145204545 |
7 | 3400100342 |
oct | 1045655461 |
9 | 331186722 |
10 | 144137009 |
11 | 743a82a5 |
12 | 40330755 |
13 | 23b28393 |
14 | 152000c9 |
15 | c9c23de |
hex | 8975b31 |
144137009 has 2 divisors, whose sum is σ = 144137010. Its totient is φ = 144137008.
The previous prime is 144136991. The next prime is 144137069. The reversal of 144137009 is 900731441.
144137009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 108472225 + 35664784 = 10415^2 + 5972^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-144137009 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (144137069) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72068504 + 72068505.
It is an arithmetic number, because the mean of its divisors is an integer number (72068505).
Almost surely, 2144137009 is an apocalyptic number.
It is an amenable number.
144137009 is a deficient number, since it is larger than the sum of its proper divisors (1).
144137009 is an equidigital number, since it uses as much as digits as its factorization.
144137009 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3024, while the sum is 29.
The square root of 144137009 is about 12005.7073510893. The cubic root of 144137009 is about 524.3144600178.
The spelling of 144137009 in words is "one hundred forty-four million, one hundred thirty-seven thousand, nine".
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