Find the shortcut

Algebra Level 1

We know 5^3 = 125 and 6^3 = 216. with that in mind,suppose you were told the number 148,877 is the cube of some other whole number. what would that other number be?

( You don't need a calculator to do this problem.Once you find the right track, it's simpler than it firs appearance .It doesn't look simple, though, does it??

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