2150149 has 2 divisors, whose sum is σ = 2150150. Its totient is φ = 2150148.

The previous prime is 2150131. The next prime is 2150171. The reversal of 2150149 is 9410512.

It is an a-pointer prime, because the next prime (2150171) can be obtained adding 2150149 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2117025 + 33124 = 1455^2 + 182^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150149 - 2¹⁷ = 2019077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2150119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075074 + 1075075.

It is an arithmetic number, because the mean of its divisors is an integer number (1075075).

2^2150149 is an apocalyptic number.

It is an amenable number.

2150149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150149 is an equidigital number, since it uses as much as digits as its factorization.

2150149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 2150149 is about 1466.3386375596. The cubic root of 2150149 is about 129.0692695298.

The spelling of 2150149 in words is "two million, one hundred fifty thousand, one hundred forty-nine".