285145 英语怎么说？

two hundred and eighty five thousand one hundred and forty five US dollars

=(US)$ two hundred and eighty-five thousand, one hundred and forty-five

=two hundred and eighty-five thousand, one hundred and forty-five (US) dollars

注：打括号者表可以省略。

直接用数字就可以了。简单，不会出错。
$285,145
或者USD $285,145