The conversion of 150 US dollars to Nigerian Naira can vary depending on the current exchange rate. Exchange rates are constantly fluctuating due to various economic factors such as inflation, interest rates, and global market conditions.

To determine the exact amount in Naira, one would need to check a reliable financial source or a currency exchange platform. These platforms provide up-to-date exchange rates that can give an accurate figure for the conversion.

It's important to note that when making such conversions, it's advisable to compare rates from different sources to ensure getting the best deal. Additionally, fees associated with the conversion process may also impact the final amount received in Naira.