Forty-six is a Wedderburn-Etherington number, an enneagonal number and a centered triangular number. It is the sum of the totient function for the first twelve integers. 46 is the largest even integer that can not be expressed as a sum of two abundant numbers.
46 is the 16th semiprime.
46 is a beautiful number.
46 is the number of high peaks in the Adirondacks. Grace Peak, Sawteeth, Gothics, Gray, poetic names, each peak has one.