43225555565445 has 64 divisors (see below), whose sum is σ = 75552919879680. Its totient is φ = 20928784665600.

The previous prime is 43225555565443. The next prime is 43225555565449. The reversal of 43225555565445 is 54456555552234.

It is not a de Polignac number, because 43225555565445 - 2¹ = 43225555565443 is a prime.

It is a super-3 number, since 3×43225555565445³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43225555565443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 431312532 + ... + 431412738.

It is an arithmetic number, because the mean of its divisors is an integer number (1180514373120).

Almost surely, 2^{43225555565445} is an apocalyptic number.

It is an amenable number.

43225555565445 is a deficient number, since it is larger than the sum of its proper divisors (32327364314235).

43225555565445 is a wasteful number, since it uses less digits than its factorization.

43225555565445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103826.

The product of its digits is 360000000, while the sum is 60.

The spelling of 43225555565445 in words is "forty-three trillion, two hundred twenty-five billion, five hundred fifty-five million, five hundred sixty-five thousand, four hundred forty-five".