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144321241 is a prime number
BaseRepresentation
bin10001001101000…
…10101011011001
3101001120021112011
420212202223121
5243421234431
622153145521
73401465431
oct1046425331
9331507464
10144321241
1174513759
12403bb2a1
1323b911ac
141524b2c1
15ca0bcb1
hex89a2ad9

144321241 has 2 divisors, whose sum is σ = 144321242. Its totient is φ = 144321240.

The previous prime is 144321239. The next prime is 144321269. The reversal of 144321241 is 142123441.

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., 139145616 + 5175625 = 11796^2 + 2275^2 .

It is a cyclic number.

It is not a de Polignac number, because 144321241 - 21 = 144321239 is a prime.

Together with 144321239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (144327241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72160620 + 72160621.

It is an arithmetic number, because the mean of its divisors is an integer number (72160621).

Almost surely, 2144321241 is an apocalyptic number.

It is an amenable number.

144321241 is a deficient number, since it is larger than the sum of its proper divisors (1).

144321241 is an equidigital number, since it uses as much as digits as its factorization.

144321241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 22.

The square root of 144321241 is about 12013.3775850091. The cubic root of 144321241 is about 524.5377530643.

Adding to 144321241 its reverse (142123441), we get a palindrome (286444682).

The spelling of 144321241 in words is "one hundred forty-four million, three hundred twenty-one thousand, two hundred forty-one".