Base | Representation |
---|---|
bin | 10001001011101… |
… | …00100101100001 |
3 | 101001012200112212 |
4 | 20211310211201 |
5 | 243344214244 |
6 | 22145131505 |
7 | 3400051136 |
oct | 1045644541 |
9 | 331180485 |
10 | 144132449 |
11 | 743a492a |
12 | 40329b95 |
13 | 23b26296 |
14 | 151dc58d |
15 | c9c0d9e |
hex | 8974961 |
144132449 has 2 divisors, whose sum is σ = 144132450. Its totient is φ = 144132448.
The previous prime is 144132433. The next prime is 144132451. The reversal of 144132449 is 944231441.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 87235600 + 56896849 = 9340^2 + 7543^2 .
It is a cyclic number.
It is not a de Polignac number, because 144132449 - 24 = 144132433 is a prime.
Together with 144132451, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (144132479) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72066224 + 72066225.
It is an arithmetic number, because the mean of its divisors is an integer number (72066225).
Almost surely, 2144132449 is an apocalyptic number.
It is an amenable number.
144132449 is a deficient number, since it is larger than the sum of its proper divisors (1).
144132449 is an equidigital number, since it uses as much as digits as its factorization.
144132449 is an evil number, because the sum of its binary digits is even.
The product of its digits is 13824, while the sum is 32.
The square root of 144132449 is about 12005.5174399107. The cubic root of 144132449 is about 524.3089307898.
The spelling of 144132449 in words is "one hundred forty-four million, one hundred thirty-two thousand, four hundred forty-nine".
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