Not that hot hot hot...

“Reduce water heater temperature to 130° F to save energy and money on heating water; and wrap the water storage tank in a specially-designed “blanket” to retain the heat.”

https://www.ase.org/news/top-10-home-energy-efficiency-tips-earth-day?fbclid=IwAR38qC2BY46nWuW6Cj6kBkorYl78mLOosdZ-o3Waw8xKBRvSNjQQm_bdEHg