It is a happy number.
1457 is nontrivially palindromic in base 5.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is a Duffinian number.
It is a plaindrome in base 3, base 9 and base 10.
It is a nialpdrome in base 13 and base 14.
It is an amenable number.
1457 is an equidigital number, since it uses as much as digits as its factorization.
1457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78.
The square root of 1457 is about 38.1706693680. The cubic root of 1457 is about 11.3366964260.
Adding to 1457 its reverse (7541), we get a palindrome (8998).
Subtracting 1457 from its reverse (7541), we obtain a square (6084 = 782).
The spelling of 1457 in words is "one thousand, four hundred fifty-seven".