If #(w,x,y,z)means you square the product of all the terms, for all positive value of w,x,y, and z and #(1,2,3,z)=144, then z = ?

(1*2*3*z)^2 = 144

(6z)^2 = 144
36z^2 = 144
z^2 = 4
Z = +-2.