Personalized Trump 45 IQ Long Sleeve T-Shirt. Trump 45 - That's his IQ. Trump will tell you lots of things. He will tell you he's smart. Don't believe it! The 45 stands for his IQ. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL