146 (one hundred six) is the number following 145 and preceding 147.
- 146 is the 6th octahedral number, where 6 is the 2nd octahedral number.
- The sum of its digits is the prime 11.
- 146 in base 8 is a repdigit (2228).
- Its prime factorization is 2 × 73, so it is an even composite number and a semiprime number.
There are exactly 146 primordial nuclides without energetically allowed alpha or beta (including double beta and electron capture) decay modes.
- MathWorld, Octahedral Number