(a)
Under the conditions prescribed in this section and section
1444 of this title for the protection of the United States, the United States may be named a party in any civil action or suit in any district court, or in any State court having jurisdiction of the subject matter—
(2)
to foreclose a mortgage or other lien upon,
(5)
of interpleader or in the nature of interpleader with respect to,
real or personal property on which the United States has or claims a mortgage or other lien.