The number Forty-Five is an integer that comes after Forty-Four and before Forty-Six. It is represented as 45 in numerical form and is an odd number. In Roman numerals, it is written as XLV. The number is often used in various contexts, such as in sports, where it can represent a player's jersey number or a score. In mathematics, Forty-Five can be expressed as the product of 5 and 9, making it a composite number. It is also significant in geometry, as it is the measure of an angle in degrees that is commonly found in various shapes, such as right triangles.