A is introduced to B and asks him about his age.
B: I am the oldest of 3 brothers, 144 is the product of our ages, all integer numbers.
A: I still don't know your age.
B: The sum of all our ages is the number of the bus that brought you here.
A: I know the number, but not your age.
B: Only the youngest is red-headed.
A: Now I know all your ages.

And the ages are: ...