43235443045 has 4 divisors (see below), whose sum is σ = 51882531660. Its totient is φ = 34588354432.

The previous prime is 43235443037. The next prime is 43235443057. The reversal of 43235443045 is 54034453234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54034453234 = 2 ⋅27017226617.

It can be written as a sum of positive squares in 2 ways, for example, as 30777088356 + 12458354689 = 175434^2 + 111617^2 .

It is a cyclic number.

It is not a de Polignac number, because 43235443045 - 2³ = 43235443037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43235442995 and 43235443013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4323544300 + ... + 4323544309.

It is an arithmetic number, because the mean of its divisors is an integer number (12970632915).

Almost surely, 2^43235443045 is an apocalyptic number.

It is an amenable number.

43235443045 is a deficient number, since it is larger than the sum of its proper divisors (8647088615).

43235443045 is an equidigital number, since it uses as much as digits as its factorization.

43235443045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8647088614.

The product of its (nonzero) digits is 345600, while the sum is 37.

Adding to 43235443045 its reverse (54034453234), we get a palindrome (97269896279).

The spelling of 43235443045 in words is "forty-three billion, two hundred thirty-five million, four hundred forty-three thousand, forty-five".