3143149 has 2 divisors, whose sum is σ = 3143150. Its totient is φ = 3143148.

The previous prime is 3143141. The next prime is 3143159. The reversal of 3143149 is 9413413.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2082249 + 1060900 = 1443^2 + 1030^2 .

It is a cyclic number.

It is not a de Polignac number, because 3143149 - 2³ = 3143141 is a prime.

3143149 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3143141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571574 + 1571575.

It is an arithmetic number, because the mean of its divisors is an integer number (1571575).

Almost surely, 2^3143149 is an apocalyptic number.

It is an amenable number.

3143149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143149 is an equidigital number, since it uses as much as digits as its factorization.

3143149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 3143149 is about 1772.8928337607. The cubic root of 3143149 is about 146.4833700794.

The spelling of 3143149 in words is "three million, one hundred forty-three thousand, one hundred forty-nine".