In its 43rd year, EWTN is the largest Catholic media organization in the world. EWTN's 11 global TV channels and numerous regional channels are broadcast in multiple languages 24 hours a day, seven days a week to over 425 million television households in more than 160 countries and territories. EWTN platforms also include radio services transmitted through SIRIUS/XM, iHeart Radio, and over 600 domestic and international AM & FM radio affiliates; a worldwide shortwave radio service; one of the most visited Catholic websites in the U.S.; as well as EWTN Publishing, its book publishing division.