44765489 has 2 divisors, whose sum is σ = 44765490. Its totient is φ = 44765488.

The previous prime is 44765467. The next prime is 44765543. The reversal of 44765489 is 98456744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43454464 + 1311025 = 6592^2 + 1145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44765489 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (44765389) 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, 22382744 + 22382745.

It is an arithmetic number, because the mean of its divisors is an integer number (22382745).

Almost surely, 2^44765489 is an apocalyptic number.

It is an amenable number.

44765489 is a deficient number, since it is larger than the sum of its proper divisors (1).

44765489 is an equidigital number, since it uses as much as digits as its factorization.

44765489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 47.

The square root of 44765489 is about 6690.7016821855. The cubic root of 44765489 is about 355.0703794867.

It can be divided in two parts, 44765 and 489, that added together give a palindrome (45254).

The spelling of 44765489 in words is "forty-four million, seven hundred sixty-five thousand, four hundred eighty-nine".