Most anything is possible, but the secret is not to use Insert | Page
Number.  Instead, go to View | Headers/Footers.  Then you can type directly
into the header or footer, and the H/F toolbar gives you the necessary icons
to insert page number or certain AutoText.  I believe a center and right tab
are already set, but of course you can also modify those.  (if you already
inserted numbers via Insert | Page Number, go ahead and delete it and
reenter it from the toolbar.  That method puts the number in a frame, which
can get in your way later).

Instead of typing in the chapter title, though, you can use a StyleRef
field, which set up properly, will always pull the proper title even as the
chapters change.

See also, for the StyleRef field and other useful info:

http://word.mvps.org/FAQs/Formatting/NumberingFrontMatter.htm

DM