Base | Representation |
---|---|
bin | 10001001011101… |
… | …11101001010001 |
3 | 101001020022201212 |
4 | 20211313221101 |
5 | 243400114402 |
6 | 22145305505 |
7 | 3400132514 |
oct | 1045675121 |
9 | 331208655 |
10 | 144144977 |
11 | 74403289 |
12 | 40335295 |
13 | 23b2bbb2 |
14 | 15202d7b |
15 | c9c4952 |
hex | 8977a51 |
144144977 has 2 divisors, whose sum is σ = 144144978. Its totient is φ = 144144976.
The previous prime is 144144967. The next prime is 144145061. The reversal of 144144977 is 779441441.
144144977 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., 82428241 + 61716736 = 9079^2 + 7856^2 .
It is a cyclic number.
It is not a de Polignac number, because 144144977 - 222 = 139950673 is a prime.
It is not a weakly prime, because it can be changed into another prime (144144937) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72072488 + 72072489.
It is an arithmetic number, because the mean of its divisors is an integer number (72072489).
Almost surely, 2144144977 is an apocalyptic number.
It is an amenable number.
144144977 is a deficient number, since it is larger than the sum of its proper divisors (1).
144144977 is an equidigital number, since it uses as much as digits as its factorization.
144144977 is an evil number, because the sum of its binary digits is even.
The product of its digits is 112896, while the sum is 41.
The square root of 144144977 is about 12006.0391886750. The cubic root of 144144977 is about 524.3241213362.
It can be divided in two parts, 14414 and 4977, that added together give a palindrome (19391).
The spelling of 144144977 in words is "one hundred forty-four million, one hundred forty-four thousand, nine hundred seventy-seven".
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