44858609 has 2 divisors, whose sum is σ = 44858610. Its totient is φ = 44858608.

The previous prime is 44858599. The next prime is 44858629. The reversal of 44858609 is 90685844.

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., 29866225 + 14992384 = 5465^2 + 3872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44858609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44858609.

It is not a weakly prime, because it can be changed into another prime (44858629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22429304 + 22429305.

It is an arithmetic number, because the mean of its divisors is an integer number (22429305).

Almost surely, 2^44858609 is an apocalyptic number.

It is an amenable number.

44858609 is a deficient number, since it is larger than the sum of its proper divisors (1).

44858609 is an equidigital number, since it uses as much as digits as its factorization.

44858609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 44858609 is about 6697.6569783768. The cubic root of 44858609 is about 355.3164116760.

The spelling of 44858609 in words is "forty-four million, eight hundred fifty-eight thousand, six hundred nine".