9145454550056 has 16 divisors (see below), whose sum is σ = 18706611579840. Its totient is φ = 4157024795440.

The previous prime is 9145454550017. The next prime is 9145454550079. The reversal of 9145454550056 is 6500554545419.

It is a happy 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, 51962809856 + ... + 51962810031.

It is an arithmetic number, because the mean of its divisors is an integer number (1169163223740).

Almost surely, 2^{9145454550056} is an apocalyptic number.

It is an amenable number.

9145454550056 is an abundant number, since it is smaller than the sum of its proper divisors (9561157029784).

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

9145454550056 is a wasteful number, since it uses less digits than its factorization.

9145454550056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103925619904 (or 103925619900 counting only the distinct ones).

The product of its (nonzero) digits is 10800000, while the sum is 53.

The spelling of 9145454550056 in words is "nine trillion, one hundred forty-five billion, four hundred fifty-four million, five hundred fifty thousand, fifty-six".