3149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 de Polignac number, because none of the positive numbers 2k-3149 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a plaindrome in base 15.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 3149.
23149 is an apocalyptic number.
It is an amenable number.
3149 is an equidigital number, since it uses as much as digits as its factorization.
3149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114.
The square root of 3149 is about 56.1159513864. The cubic root of 3149 is about 14.6574207106.
The spelling of 3149 in words is "three thousand, one hundred forty-nine".