3144149 has 4 divisors (see below), whose sum is σ = 3229164. Its totient is φ = 3059136.

The previous prime is 3144143. The next prime is 3144157. The reversal of 3144149 is 9414413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9414413 = 17 ⋅553789.

It can be written as a sum of positive squares in 2 ways, for example, as 1643524 + 1500625 = 1282^2 + 1225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3144149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42452 + ... + 42525.

It is an arithmetic number, because the mean of its divisors is an integer number (807291).

Almost surely, 2^3144149 is an apocalyptic number.

It is an amenable number.

3144149 is a deficient number, since it is larger than the sum of its proper divisors (85015).

3144149 is an equidigital number, since it uses as much as digits as its factorization.

3144149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85014.

The product of its digits is 1728, while the sum is 26.

The square root of 3144149 is about 1773.1748362753. The cubic root of 3144149 is about 146.4989031046.

The spelling of 3144149 in words is "three million, one hundred forty-four thousand, one hundred forty-nine".