The sum of two or more consecutive natural numbers (except zero) is equal to 45, how many groups of such consecutive natural numbers are there?
两个或两个以上连续自然数(零除外)的和等于45，那么这样的连续自然数有多少组．
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<result>5</result>