Due to its unusual body chemistry, A gold golem has no need to breathe. It is humanoid. It has no mind, and is therefore not detectable via telepathy. It has a thick hide.

The bellows he set away from the fire, and gathered all the tools wherewith he wrought into a silver chest; and with a sponge wiped he his face and his two hands withal, and his mighty neck and shaggy breast, and put upon him a tunic, and grasped a stout staff, and went forth halting; but there moved swiftly to support their lord handmaidens wrought of gold in the semblance of living maids. In them is understanding in their hearts, and in them speech and strength, and they know cunning handiwork by gift of the immortal gods.
The Iliad, by Homer