44618445 has 28 divisors (see below), whose sum is σ = 80283036. Its totient is φ = 23794560.

The previous prime is 44618437. The next prime is 44618461. The reversal of 44618445 is 54481644.

It is a happy number.

44618445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13682601 + 30935844 = 3699^2 + 5562^2 .

It is not a de Polignac number, because 44618445 - 2³ = 44618437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2476 + ... + 9765.

Almost surely, 2^44618445 is an apocalyptic number.

44618445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44618445 is a deficient number, since it is larger than the sum of its proper divisors (35664591).

44618445 is an equidigital number, since it uses as much as digits as its factorization.

44618445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12264 (or 12249 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 44618445 is about 6679.7039605060. The cubic root of 44618445 is about 354.6811790745.

The spelling of 44618445 in words is "forty-four million, six hundred eighteen thousand, four hundred forty-five".