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144460549 is a prime number
BaseRepresentation
bin10001001110001…
…00101100000101
3101001211100121201
420213010230011
5243440214144
622200142501
73402615532
oct1047045405
9331740551
10144460549
11745a9392
1240467a31
1323c0c71c
1415285d89
15ca381d4
hex89c4b05

144460549 has 2 divisors, whose sum is σ = 144460550. Its totient is φ = 144460548.

The previous prime is 144460541. The next prime is 144460619. The reversal of 144460549 is 945064441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129390625 + 15069924 = 11375^2 + 3882^2 .

It is a cyclic number.

It is not a de Polignac number, because 144460549 - 23 = 144460541 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144460541) 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, 72230274 + 72230275.

It is an arithmetic number, because the mean of its divisors is an integer number (72230275).

Almost surely, 2144460549 is an apocalyptic number.

It is an amenable number.

144460549 is a deficient number, since it is larger than the sum of its proper divisors (1).

144460549 is an equidigital number, since it uses as much as digits as its factorization.

144460549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 144460549 is about 12019.1742228824. The cubic root of 144460549 is about 524.7064711408.

The spelling of 144460549 in words is "one hundred forty-four million, four hundred sixty thousand, five hundred forty-nine".