915

Number
$915$ (nine hundred and fifteen) is:


 * $3 \times 5 \times 61$


 * The $46$th Smith number after $4$, $22$, $27$, $58$, $\ldots$, $648$, $654$, $663$, $666$, $690$, $706$, $728$, $729$, $762$, $778$, $825$, $852$, $895$, $913$:
 * $9 + 1 + 5 = 3 + 5 + 6 + 1 = 15$