44522145 has 12 divisors (see below), whose sum is σ = 77171796. Its totient is φ = 23745120.

The previous prime is 44522143. The next prime is 44522147. The reversal of 44522145 is 54122544.

44522145 is a `hidden beast` number, since 445 + 2 + 214 + 5 = 666.

44522145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (44522143) and next prime (44522147).

It can be written as a sum of positive squares in 2 ways, for example, as 16548624 + 27973521 = 4068^2 + 5289^2 .

It is not a de Polignac number, because 44522145 - 2¹ = 44522143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44522143) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 494646 + ... + 494735.

It is an arithmetic number, because the mean of its divisors is an integer number (6430983).

Almost surely, 2^44522145 is an apocalyptic number.

44522145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44522145 is a deficient number, since it is larger than the sum of its proper divisors (32649651).

44522145 is a wasteful number, since it uses less digits than its factorization.

44522145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989392 (or 989389 counting only the distinct ones).

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

The square root of 44522145 is about 6672.4916635392. The cubic root of 44522145 is about 354.4258257867.

Adding to 44522145 its reverse (54122544), we get a palindrome (98644689).

The spelling of 44522145 in words is "forty-four million, five hundred twenty-two thousand, one hundred forty-five".