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144043441 is a prime number
BaseRepresentation
bin10001001010111…
…10110110110001
3101001001011110021
420211132312301
5243333342231
622143203441
73366230503
oct1045366661
9331034407
10144043441
1174343a73
12402a6581
1323ac4909
14151b7d73
15c9a4811
hex895edb1

144043441 has 2 divisors, whose sum is σ = 144043442. Its totient is φ = 144043440.

The previous prime is 144043439. The next prime is 144043469. The reversal of 144043441 is 144340441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142301041 + 1742400 = 11929^2 + 1320^2 .

It is a cyclic number.

It is not a de Polignac number, because 144043441 - 21 = 144043439 is a prime.

Together with 144043439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (144023441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72021720 + 72021721.

It is an arithmetic number, because the mean of its divisors is an integer number (72021721).

Almost surely, 2144043441 is an apocalyptic number.

It is an amenable number.

144043441 is a deficient number, since it is larger than the sum of its proper divisors (1).

144043441 is an equidigital number, since it uses as much as digits as its factorization.

144043441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 144043441 is about 12001.8099051768. The cubic root of 144043441 is about 524.2009807772.

Adding to 144043441 its reverse (144340441), we get a palindrome (288383882).

The spelling of 144043441 in words is "one hundred forty-four million, forty-three thousand, four hundred forty-one".