As the Mega Millions jackpot continues to rise to higher and higher numbers, here is what you need to know ahead of the next drawing.

The odds of winning the jackpot are 1 in 302 million, according to lottery organizers, and the last Mega Millions jackpot was won in Texas on Sept. 10 for $810 million. Mega Millions is played in 45 states as well as Washington, D.C., and the U.S. Virgin Islands. Friday’s drawing is at 8 p.m.

Mega Millions, the national lottery known for its high-stakes jackpots, has reached $1.15 billion for the next drawing Friday.