43522313005445 has 4 divisors (see below), whose sum is σ = 52226775606540. Its totient is φ = 34817850404352.

The previous prime is 43522313005229. The next prime is 43522313005489. The reversal of 43522313005445 is 54450031322534.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13242044437444 + 30280268568001 = 3638962^2 + 5502751^2 .

It is a cyclic number.

It is not a de Polignac number, because 43522313005445 - 2⁸ = 43522313005189 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4352231300540 + ... + 4352231300549.

It is an arithmetic number, because the mean of its divisors is an integer number (13056693901635).

Almost surely, 2^{43522313005445} is an apocalyptic number.

It is an amenable number.

43522313005445 is a deficient number, since it is larger than the sum of its proper divisors (8704462601095).

43522313005445 is an equidigital number, since it uses as much as digits as its factorization.

43522313005445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8704462601094.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 43522313005445 its reverse (54450031322534), we get a palindrome (97972344327979).

The spelling of 43522313005445 in words is "forty-three trillion, five hundred twenty-two billion, three hundred thirteen million, five thousand, four hundred forty-five".