4545457072784 has 40 divisors (see below), whose sum is σ = 8840487744000. Its totient is φ = 2264042654336.

The previous prime is 4545457072747. The next prime is 4545457072789. The reversal of 4545457072784 is 4872707545454.

It is a super-2 number, since 2×4545457072784² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4545457072789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45395927 + ... + 45495945.

It is an arithmetic number, because the mean of its divisors is an integer number (221012193600).

Almost surely, 2^{4545457072784} is an apocalyptic number.

It is an amenable number.

4545457072784 is a deficient number, since it is larger than the sum of its proper divisors (4295030671216).

4545457072784 is a wasteful number, since it uses less digits than its factorization.

4545457072784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110855 (or 110849 counting only the distinct ones).

The product of its (nonzero) digits is 175616000, while the sum is 62.

The spelling of 4545457072784 in words is "four trillion, five hundred forty-five billion, four hundred fifty-seven million, seventy-two thousand, seven hundred eighty-four".