44745889 has 2 divisors, whose sum is σ = 44745890. Its totient is φ = 44745888.

The previous prime is 44745871. The next prime is 44745919. The reversal of 44745889 is 98854744.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27248400 + 17497489 = 5220^2 + 4183^2 .

It is a cyclic number.

It is not a de Polignac number, because 44745889 - 2¹⁹ = 44221601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44745859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22372944 + 22372945.

It is an arithmetic number, because the mean of its divisors is an integer number (22372945).

Almost surely, 2^44745889 is an apocalyptic number.

It is an amenable number.

44745889 is a deficient number, since it is larger than the sum of its proper divisors (1).

44745889 is an equidigital number, since it uses as much as digits as its factorization.

44745889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 49.

The square root of 44745889 is about 6689.2368025059. The cubic root of 44745889 is about 355.0185509052.

The spelling of 44745889 in words is "forty-four million, seven hundred forty-five thousand, eight hundred eighty-nine".