אֵ֛לֶּה מִשְׁפְּחֹ֥ת נַפְתָּלִ֖י לְמִשְׁפְּחֹתָ֑ם וּפְקֻ֣דֵיהֶ֔ם חֲמִשָּׁ֧ה וְאַרְבָּעִ֛ים אֶ֖לֶף וְאַרְבַּ֥ע מֵאֽוֹת׃
These are the families of Naphtali according to their families; and they that were numbered of them were forty and five thousand and four hundred.
Read kabbalistic (mystical) interpretation of Numbers 26:50: and classical mystical sources.