title: 142 (number)
text: # 142 (number)
  
  142 (one hundred [and] forty-two) is the natural number following 141 and preceding 143.
  
  ## In mathematics
  
  There are 142 connected functional graphs on four labeled vertices, 142 planar graphs with 6 unlabeled vertices, and 142 partial involutions on five elements.
  
  