43645000045200 has 120 divisors (see below), whose sum is σ = 140329222372800. Its totient is φ = 11595400174080.

The previous prime is 43645000045147. The next prime is 43645000045243. The reversal of 43645000045200 is 254000054634.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67280980 + ... + 67926579.

It is an arithmetic number, because the mean of its divisors is an integer number (1169410186440).

Almost surely, 2^{43645000045200} is an apocalyptic number.

43645000045200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43645000045200 is an abundant number, since it is smaller than the sum of its proper divisors (96684222327600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43645000045200 is a wasteful number, since it uses less digits than its factorization.

43645000045200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135207849 (or 135207838 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 43645000045200 its reverse (254000054634), we get a palindrome (43899000099834).

The spelling of 43645000045200 in words is "forty-three trillion, six hundred forty-five billion, forty-five thousand, two hundred".