• 148 can be written using four 4's:
148 is nontrivially palindromic in base 6.
It is an Ulam number.
148 is an undulating number in base 6.
It is a plaindrome in base 8, base 10, base 11 and base 15.
It is a nialpdrome in base 4, base 13, base 14 and base 16.
It is a congruent number.
148 is the 8-th heptagonal number.
148 is the 7-th centered heptagonal number.
It is an amenable number.
148 is a wasteful number, since it uses less digits than its factorization.
148 is an odious number, because the sum of its binary digits is odd.
The square root of 148 is about 12.1655250606. The cubic root of 148 is about 5.2895724727.
Adding to 148 its sum of digits (13), we get a palindrome (161).
Adding to 148 its reverse (841), we get a palindrome (989).
The spelling of 148 in words is "one hundred forty-eight", and thus it is an aban number.