6143149 has 2 divisors, whose sum is σ = 6143150. Its totient is φ = 6143148.

The previous prime is 6143141. The next prime is 6143167. The reversal of 6143149 is 9413416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5673924 + 469225 = 2382^2 + 685^2 .

It is a cyclic number.

It is not a de Polignac number, because 6143149 - 2³ = 6143141 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6143141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3071574 + 3071575.

It is an arithmetic number, because the mean of its divisors is an integer number (3071575).

Almost surely, 2^6143149 is an apocalyptic number.

It is an amenable number.

6143149 is a deficient number, since it is larger than the sum of its proper divisors (1).

6143149 is an equidigital number, since it uses as much as digits as its factorization.

6143149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 6143149 is about 2478.5376737100. The cubic root of 6143149 is about 183.1458222391.

The spelling of 6143149 in words is "six million, one hundred forty-three thousand, one hundred forty-nine".