That number is at the high end of what I usually see for consulting work. The high hourly rate has to cover all of the HR and accounting overhead, invoicing, marketing, business development, and the opportunity cost of short term engagement vs. long term engagements.

You can charge it, but that doesn't mean anyone's gonna pay it. Highly depends on your specific market and skillset.

At the very least, it's definitely useful as a "fuck you" price.