142

Number
$142$ (one hundred and forty-two) is:


 * $2 \times 71$


 * The $18$th nontotient after $14, 26, 34, 38, 50, 62, 68, 74, 76, 86, 90, 94, 98, 114, 118, 122, 124, 134$:
 * $\nexists m \in \Z_{>0}: \phi \left({m}\right) = 142$
 * where $\phi \left({m}\right)$ denotes the Euler $\phi$ function


 * The $59$th positive integer after $2$, $3$, $4$, $7$, $8$, $\ldots$, $95$, $96$, $100$, $101$, $102$, $107$, $112$, $116$, $124$, $136$, $137$, $141$ which cannot be expressed as the sum of distinct pentagonal numbers.