44537149 has 2 divisors, whose sum is σ = 44537150. Its totient is φ = 44537148.

The previous prime is 44537123. The next prime is 44537167. The reversal of 44537149 is 94173544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30173049 + 14364100 = 5493^2 + 3790^2 .

It is a cyclic number.

It is not a de Polignac number, because 44537149 - 2⁷ = 44537021 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 (44537179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22268574 + 22268575.

It is an arithmetic number, because the mean of its divisors is an integer number (22268575).

Almost surely, 2^44537149 is an apocalyptic number.

It is an amenable number.

44537149 is a deficient number, since it is larger than the sum of its proper divisors (1).

44537149 is an equidigital number, since it uses as much as digits as its factorization.

44537149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 44537149 is about 6673.6158864592. The cubic root of 44537149 is about 354.4656352481.

The spelling of 44537149 in words is "forty-four million, five hundred thirty-seven thousand, one hundred forty-nine".