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144152689 is a prime number
BaseRepresentation
bin10001001011110…
…01100001110001
3101001020201022111
420211321201301
5243400341224
622145405321
73400164142
oct1045714161
9331221274
10144152689
117440905a
1240339841
1323b32565
1415205ac9
15c9c6d94
hex8979871

144152689 has 2 divisors, whose sum is σ = 144152690. Its totient is φ = 144152688.

The previous prime is 144152669. The next prime is 144152693. The reversal of 144152689 is 986251441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104714289 + 39438400 = 10233^2 + 6280^2 .

It is a cyclic number.

It is not a de Polignac number, because 144152689 - 223 = 135764081 is a prime.

It is not a weakly prime, because it can be changed into another prime (144152669) 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, 72076344 + 72076345.

It is an arithmetic number, because the mean of its divisors is an integer number (72076345).

Almost surely, 2144152689 is an apocalyptic number.

It is an amenable number.

144152689 is a deficient number, since it is larger than the sum of its proper divisors (1).

144152689 is an equidigital number, since it uses as much as digits as its factorization.

144152689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 40.

The square root of 144152689 is about 12006.3603560779. The cubic root of 144152689 is about 524.3334719118. Note that the first 3 decimals are identical.

The spelling of 144152689 in words is "one hundred forty-four million, one hundred fifty-two thousand, six hundred eighty-nine".