44243149 has 2 divisors, whose sum is σ = 44243150. Its totient is φ = 44243148.

The previous prime is 44243131. The next prime is 44243159. The reversal of 44243149 is 94134244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27227524 + 17015625 = 5218^2 + 4125^2 .

It is a cyclic number.

It is not a de Polignac number, because 44243149 - 2⁹ = 44242637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44243149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44243119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22121574 + 22121575.

It is an arithmetic number, because the mean of its divisors is an integer number (22121575).

Almost surely, 2^44243149 is an apocalyptic number.

It is an amenable number.

44243149 is a deficient number, since it is larger than the sum of its proper divisors (1).

44243149 is an equidigital number, since it uses as much as digits as its factorization.

44243149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 44243149 is about 6651.5523751978. The cubic root of 44243149 is about 353.6839428488.

The spelling of 44243149 in words is "forty-four million, two hundred forty-three thousand, one hundred forty-nine".