3158149 has 2 divisors, whose sum is σ = 3158150. Its totient is φ = 3158148.

The previous prime is 3158143. The next prime is 3158167. The reversal of 3158149 is 9418513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2617924 + 540225 = 1618^2 + 735^2 .

It is a cyclic number.

It is not a de Polignac number, because 3158149 - 2¹⁷ = 3027077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3158149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3158143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1579074 + 1579075.

It is an arithmetic number, because the mean of its divisors is an integer number (1579075).

Almost surely, 2^3158149 is an apocalyptic number.

It is an amenable number.

3158149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3158149 is an equidigital number, since it uses as much as digits as its factorization.

3158149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 3158149 is about 1777.1181727730. The cubic root of 3158149 is about 146.7160204657.

It can be divided in two parts, 315 and 8149, that added together give a square (8464 = 92²).

The spelling of 3158149 in words is "three million, one hundred fifty-eight thousand, one hundred forty-nine".