4544355145545 has 40 divisors (see below), whose sum is σ = 8249293599360. Its totient is φ = 2392976869920.

The previous prime is 4544355145513. The next prime is 4544355145573. The reversal of 4544355145545 is 5455415534454.

4544355145545 is a `hidden beast` number, since 4 + 5 + 4 + 4 + 3 + 5 + 51 + 45 + 545 = 666.

It is not a de Polignac number, because 4544355145545 - 2⁵ = 4544355145513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4544355145491 and 4544355145500.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70984651 + ... + 71048640.

It is an arithmetic number, because the mean of its divisors is an integer number (206232339984).

Almost surely, 2^{4544355145545} is an apocalyptic number.

4544355145545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4544355145545 is a deficient number, since it is larger than the sum of its proper divisors (3704938453815).

4544355145545 is a wasteful number, since it uses less digits than its factorization.

4544355145545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142033387 (or 142033378 counting only the distinct ones).

The product of its digits is 48000000, while the sum is 54.

The spelling of 4544355145545 in words is "four trillion, five hundred forty-four billion, three hundred fifty-five million, one hundred forty-five thousand, five hundred forty-five".