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144330169 is a prime number
BaseRepresentation
bin10001001101001…
…00110110111001
3101001120201202211
420212210312321
5243422031134
622153255121
73401533444
oct1046446671
9331521684
10144330169
117451a435
12404044a1
1323b95289
141525065b
15ca0e764
hex89a4db9

144330169 has 2 divisors, whose sum is σ = 144330170. Its totient is φ = 144330168.

The previous prime is 144330163. The next prime is 144330211. The reversal of 144330169 is 961033441.

144330169 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., 144288144 + 42025 = 12012^2 + 205^2 .

It is a cyclic number.

It is not a de Polignac number, because 144330169 - 23 = 144330161 is a prime.

It is a super-2 number, since 2×1443301692 = 41662395367137122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144330169.

It is not a weakly prime, because it can be changed into another prime (144330161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72165084 + 72165085.

It is an arithmetic number, because the mean of its divisors is an integer number (72165085).

Almost surely, 2144330169 is an apocalyptic number.

It is an amenable number.

144330169 is a deficient number, since it is larger than the sum of its proper divisors (1).

144330169 is an equidigital number, since it uses as much as digits as its factorization.

144330169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 144330169 is about 12013.7491650192. The cubic root of 144330169 is about 524.5485691586.

The spelling of 144330169 in words is "one hundred forty-four million, three hundred thirty thousand, one hundred sixty-nine".