The number "154" is an integer that follows 153 and precedes 155. It is an even number, meaning it is divisible by 2 without a remainder. In mathematics, 154 can be expressed as the product of its prime factors: 2 and 77, where 77 can further be factored into 7 and 11. In Roman numerals, "154" is represented as CLIV. This numeral system was used in ancient Rome and is still seen today in various contexts, such as clock faces and book chapters. The number also appears in various fields, including science and statistics, where it can represent data points or measurements.