| Atomic Mass | Mass Excess |
| 143.913300555882 amu | -80.760 MeV |
| Level energy (MeV) | Spin & parity | Half-life | Mode of decay | Branch ratio (%) | Decay energy (MeV) |
| Ground state | 0- | 17.28 M 0.05 | B- | 100 | 2.997 |
| .059 | 3- | 7.2 M 0.3 | IT | 99.93 | .059 |
| .059 | 3- | 7.2 M 0.3 | B- | .07 | 3.056 |
| Decay mode | Half-life | Gamma-ray energy (keV) | Intensity (%) |
| B- | 17.28 M 0.05 | 696.510 | 1.342+-0.014 |
| B- | 17.28 M 0.05 | 2185.662 | 0.694+-0.016 |