| Atomic Mass | Mass Excess |
| 143.918774558675 amu | -75.661 MeV |
| Level energy (MeV) | Spin & parity | Half-life | Mode of decay | Branch ratio (%) | Decay energy (MeV) |
| Ground state | 1+ | 10.2 S 0.1 | EC | 100 | 6.315 |
| Decay mode | Half-life | Gamma-ray energy (keV) | Intensity (%) |
| EC | 10.2 S 0.1 | 817.70 | 1.56+- 0.13 |
| EC | 10.2 S 0.1 | 1660.10 | 9.6+- 0.6 |
| EC | 10.2 S 0.1 | 2423.30 | 0.96+- 0.08 |