There are 142 connected functional graphs on four labeled vertices,^[1] 142 planar graphs with 6 unlabeled vertices,^[2] and 142 partial involutions on five elements.^[3]

At the United States Merchant Marine Academy, the number '142' represents 142 Cadet/Midshipmen who died aboard merchant vessels during World War II. The U.S. Merchant Marine Academy, among the nation's five federal academies, is the only institution authorized to carry a battle standard as part of its color guard. The battle standard bears the number "142" on a field of red, white and blue.