OK, why can you not print it?
145 MB is not a "large file" these days.
"Save for Web" will let you save a copy of your image file as a JPEG.
Details about your setup are needed before anyone can help you troubleshoot your issue.
Please read this FAQ for advice on how to ask your questions correctly for quicker and better answers:
I found a way to convert to an 8 bit and was able to then save a jpeg. The printing problem apparently related to my printer (I think) but I will try your approach as well as I want to upload the photos for printing.