44421149 has 2 divisors, whose sum is σ = 44421150. Its totient is φ = 44421148.

The previous prime is 44421133. The next prime is 44421161. The reversal of 44421149 is 94112444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24108100 + 20313049 = 4910^2 + 4507^2 .

It is a cyclic number.

It is not a de Polignac number, because 44421149 - 2⁴ = 44421133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44411149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22210574 + 22210575.

It is an arithmetic number, because the mean of its divisors is an integer number (22210575).

Almost surely, 2^44421149 is an apocalyptic number.

It is an amenable number.

44421149 is a deficient number, since it is larger than the sum of its proper divisors (1).

44421149 is an equidigital number, since it uses as much as digits as its factorization.

44421149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 29.

The square root of 44421149 is about 6664.9192793311. The cubic root of 44421149 is about 354.1576244858.

The spelling of 44421149 in words is "forty-four million, four hundred twenty-one thousand, one hundred forty-nine".