Numbers / 148

The Number 148

148 is composite: factorization 2^2 × 37. That gives 148 exactly 6 divisors: 1, 2, 4, 37, 74, 148. 148's proper divisors total just 118, 30 short of 148, the deficient case most of 148's neighbors share too. 148 has a digit sum of 13; for 148, the digital root works out to 4. 148: 2, 4 all divide 148 evenly, out of 2-12. 148 is 10010100 in binary and 94 in hex; as a Roman numeral it's CXLVIII.