4547344545172 has 48 divisors (see below), whose sum is σ = 9367031104704. Its totient is φ = 1904314464000.

The previous prime is 4547344545167. The next prime is 4547344545209. The reversal of 4547344545172 is 2715454437454.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 7331454 + ... + 7927477.

It is an arithmetic number, because the mean of its divisors is an integer number (195146481348).

Almost surely, 2^{4547344545172} is an apocalyptic number.

It is an amenable number.

4547344545172 is an abundant number, since it is smaller than the sum of its proper divisors (4819686559532).

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

4547344545172 is a wasteful number, since it uses less digits than its factorization.

4547344545172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15259480 (or 15259478 counting only the distinct ones).

The product of its digits is 37632000, while the sum is 55.

The spelling of 4547344545172 in words is "four trillion, five hundred forty-seven billion, three hundred forty-four million, five hundred forty-five thousand, one hundred seventy-two".