Is 0.245245245 ... a rational or irrational number?

In mathematics, a rational number is any number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Since q may be equal to 1, every integer is a rational number ... A real number that is not rational is called irrational.

It is Irrational because is can not be written as a fraction