152

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Number

$152$ (one hundred and fifty-two) is:

$2^3 \times 19$

The $20$th nontotient after $14$, $26$, $34$, $38$, $50$, $62$, $68$, $74$, $76$, $86$, $90$, $94$, $98$, $114$, $118$, $122$, $124$, $134$, $142$, $146$:

$\nexists m \in \Z_{>0}: \phi \left({m}\right) = 152$

where $\map \phi m$ denotes the Euler $\phi$ function

The $9$th of the $17$ positive integers for which the value of the Euler $\phi$ function is $72$:

$73$, $91$, $95$, $111$, $117$, $135$, $146$, $148$, $152$, $182$, $190$, $216$, $222$, $228$, $234$, $252$, $270$

Also see

• Previous  ... Next: Nontotient
• Previous  ... Next: Numbers with Euler Phi Value of 72