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144663109 is a prime number
BaseRepresentation
bin10001001111101…
…10001001000101
3101002012122110221
420213312021011
5244013204414
622204344341
73404421223
oct1047661105
9332178427
10144663109
1174727598
12405450b1
1323c80996
14152d9b13
15ca78224
hex89f6245

144663109 has 2 divisors, whose sum is σ = 144663110. Its totient is φ = 144663108.

The previous prime is 144663083. The next prime is 144663121. The reversal of 144663109 is 901366441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122544900 + 22118209 = 11070^2 + 4703^2 .

It is a cyclic number.

It is not a de Polignac number, because 144663109 - 27 = 144662981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144663179) 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, 72331554 + 72331555.

It is an arithmetic number, because the mean of its divisors is an integer number (72331555).

Almost surely, 2144663109 is an apocalyptic number.

It is an amenable number.

144663109 is a deficient number, since it is larger than the sum of its proper divisors (1).

144663109 is an equidigital number, since it uses as much as digits as its factorization.

144663109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 144663109 is about 12027.5978067110. The cubic root of 144663109 is about 524.9516012829.

The spelling of 144663109 in words is "one hundred forty-four million, six hundred sixty-three thousand, one hundred nine".