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144145323 = 32718112641
BaseRepresentation
bin10001001011101…
…11101110101011
3101001020100012200
420211313232223
5243400122243
622145311243
73400133520
oct1045675653
9331210180
10144145323
1174403573
1240335523
1323b2c0ba
1415203147
15c9c4ad3
hex8977bab

144145323 has 24 divisors (see below), whose sum is σ = 239287776. Its totient is φ = 81907200.

The previous prime is 144145297. The next prime is 144145333. The reversal of 144145323 is 323541441.

It is a happy number.

It is not a de Polignac number, because 144145323 - 25 = 144145291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144145333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5083 + ... + 17723.

It is an arithmetic number, because the mean of its divisors is an integer number (9970324).

Almost surely, 2144145323 is an apocalyptic number.

144145323 is a deficient number, since it is larger than the sum of its proper divisors (95142453).

144145323 is a wasteful number, since it uses less digits than its factorization.

144145323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12835 (or 12832 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 144145323 is about 12006.0535980813. The cubic root of 144145323 is about 524.3245408583.

Adding to 144145323 its reverse (323541441), we get a palindrome (467686764).

It can be divided in two parts, 1441 and 45323, that added together give a palindrome (46764).

The spelling of 144145323 in words is "one hundred forty-four million, one hundred forty-five thousand, three hundred twenty-three".

Divisors: 1 3 7 9 21 63 181 543 1267 1629 3801 11403 12641 37923 88487 113769 265461 796383 2288021 6864063 16016147 20592189 48048441 144145323