44515489 has 2 divisors, whose sum is σ = 44515490. Its totient is φ = 44515488.

The previous prime is 44515481. The next prime is 44515501. The reversal of 44515489 is 98451544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25331089 + 19184400 = 5033^2 + 4380^2 .

It is a cyclic number.

It is not a de Polignac number, because 44515489 - 2³ = 44515481 is a prime.

It is not a weakly prime, because it can be changed into another prime (44515481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22257744 + 22257745.

It is an arithmetic number, because the mean of its divisors is an integer number (22257745).

Almost surely, 2^44515489 is an apocalyptic number.

It is an amenable number.

44515489 is a deficient number, since it is larger than the sum of its proper divisors (1).

44515489 is an equidigital number, since it uses as much as digits as its factorization.

44515489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 40.

The square root of 44515489 is about 6671.9928806916. The cubic root of 44515489 is about 354.4081628472.

The spelling of 44515489 in words is "forty-four million, five hundred fifteen thousand, four hundred eighty-nine".