44545489 has 2 divisors, whose sum is σ = 44545490. Its totient is φ = 44545488.

The previous prime is 44545439. The next prime is 44545499. The reversal of 44545489 is 98454544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34904464 + 9641025 = 5908^2 + 3105^2 .

It is a cyclic number.

It is not a de Polignac number, because 44545489 - 2¹⁷ = 44414417 is a prime.

It is not a weakly prime, because it can be changed into another prime (44545409) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22272744 + 22272745.

It is an arithmetic number, because the mean of its divisors is an integer number (22272745).

Almost surely, 2^44545489 is an apocalyptic number.

It is an amenable number.

44545489 is a deficient number, since it is larger than the sum of its proper divisors (1).

44545489 is an equidigital number, since it uses as much as digits as its factorization.

44545489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 460800, while the sum is 43.

The square root of 44545489 is about 6674.2407058781. The cubic root of 44545489 is about 354.4877595418.

The spelling of 44545489 in words is "forty-four million, five hundred forty-five thousand, four hundred eighty-nine".