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144124289 is a prime number
BaseRepresentation
bin10001001011100…
…10100110000001
3101001012021100122
420211302212001
5243343434124
622145030025
73400015301
oct1045624601
9331167318
10144124289
1174399791
1240325315
1323b2265a
14151d9601
15c9bd75e
hex8972981

144124289 has 2 divisors, whose sum is σ = 144124290. Its totient is φ = 144124288.

The previous prime is 144124219. The next prime is 144124297. The reversal of 144124289 is 982421441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133287025 + 10837264 = 11545^2 + 3292^2 .

It is an emirp because it is prime and its reverse (982421441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144124289 is a prime.

It is not a weakly prime, because it can be changed into another prime (144124219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72062144 + 72062145.

It is an arithmetic number, because the mean of its divisors is an integer number (72062145).

Almost surely, 2144124289 is an apocalyptic number.

It is an amenable number.

144124289 is a deficient number, since it is larger than the sum of its proper divisors (1).

144124289 is an equidigital number, since it uses as much as digits as its factorization.

144124289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 35.

The square root of 144124289 is about 12005.1775913562. The cubic root of 144124289 is about 524.2990360907.

The spelling of 144124289 in words is "one hundred forty-four million, one hundred twenty-four thousand, two hundred eighty-nine".