Kinematic viscosity is often measured in centistokes ($\text{cSt}$), where $1\text{ cSt} = 1\text{ mm}^2/\text{s}$. If a lubricant has a kinematic viscosity of $45\text{ cSt}$, what is this viscosity in square meters per second ($\text{m}^2/\text{s}$)?