Hatake
はたけ
Full name: はたけカカシ (Hatake Kakashi)
Hiragana as well. Hatake is an ordinary word for a field or plot of farmland, usually written 畑, but Kakashi's surname is left in kana.
Spelling checked against this reference.
There is no kanji here
This name is written in kana in the original, so it has no characters to take apart and no hidden meaning to find. Sites that show you kanji for it are showing you something the series never used.