| Atomic Mass | Mass Excess |
| 157.939857896751 amu | -56.022 MeV |
| Level energy (MeV) | Spin & parity | Half-life | Mode of decay | Branch ratio (%) | Decay energy (MeV) |
| Ground state | 0+ | 1.49 M 0.13 | EC | 100 | 2.67 |
| Ground state | 0+ | 1.49 M 0.13 | A | ~0.0021 | 4.171 |
| Decay mode | Half-life | Gamma-ray energy (keV) | Intensity (%) |
| EC | 1.49 M 0.13 | 74.10 | 54 |