• 178 can be written using four 4's:
178 is nontrivially palindromic in base 6, base 7 and base 8.
178 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
178 is an esthetic number in base 6 and base 7, because in such bases its adjacent digits differ by 1.
178 is an undulating number in base 6, base 7 and base 8.
It is a plaindrome in base 10, base 12 and base 15.
It is a nialpdrome in base 14 and base 16.
178 is an equidigital number, since it uses as much as digits as its factorization.
178 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91.
The square root of 178 is about 13.3416640641. The cubic root of 178 is about 5.6252263283.
The spelling of 178 in words is "one hundred seventy-eight", and thus it is an aban number.