43210450045445 has 4 divisors (see below), whose sum is σ = 51852540054540. Its totient is φ = 34568360036352.

The previous prime is 43210450045439. The next prime is 43210450045453. The reversal of 43210450045445 is 54454005401234.

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 17471204540449 + 25739245504996 = 4179857^2 + 5073386^2 .

It is a cyclic number.

It is not a de Polignac number, because 43210450045445 - 2²² = 43210445851141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4321045004540 + ... + 4321045004549.

It is an arithmetic number, because the mean of its divisors is an integer number (12963135013635).

Almost surely, 2^{43210450045445} is an apocalyptic number.

It is an amenable number.

43210450045445 is a deficient number, since it is larger than the sum of its proper divisors (8642090009095).

43210450045445 is an equidigital number, since it uses as much as digits as its factorization.

43210450045445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8642090009094.

The product of its (nonzero) digits is 768000, while the sum is 41.

Adding to 43210450045445 its reverse (54454005401234), we get a palindrome (97664455446679).

The spelling of 43210450045445 in words is "forty-three trillion, two hundred ten billion, four hundred fifty million, forty-five thousand, four hundred forty-five".