44105445 has 16 divisors (see below), whose sum is σ = 78409920. Its totient is φ = 23522832.

The previous prime is 44105437. The next prime is 44105447. The reversal of 44105445 is 54450144.

It is not a de Polignac number, because 44105445 - 2³ = 44105437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44105447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163219 + ... + 163488.

It is an arithmetic number, because the mean of its divisors is an integer number (4900620).

Almost surely, 2^44105445 is an apocalyptic number.

44105445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44105445 is a deficient number, since it is larger than the sum of its proper divisors (34304475).

44105445 is a wasteful number, since it uses less digits than its factorization.

44105445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326721 (or 326715 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 44105445 is about 6641.1930404107. The cubic root of 44105445 is about 353.3166218709.

Adding to 44105445 its reverse (54450144), we get a palindrome (98555589).

The spelling of 44105445 in words is "forty-four million, one hundred five thousand, four hundred forty-five".