545222220543 has 96 divisors (see below), whose sum is σ = 1059861583872. Its totient is φ = 260836761600.

The previous prime is 545222220523. The next prime is 545222220563. The reversal of 545222220543 is 345022222545.

545222220543 is a `hidden beast` number, since 54 + 5 + 22 + 22 + 20 + 543 = 666.

It is an interprime number because it is at equal distance from previous prime (545222220523) and next prime (545222220563).

It is not a de Polignac number, because 545222220543 - 2¹⁰ = 545222219519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545222220498 and 545222220507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545222220523) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3812671 + ... + 3953087.

It is an arithmetic number, because the mean of its divisors is an integer number (11040224832).

Almost surely, 2^545222220543 is an apocalyptic number.

545222220543 is a deficient number, since it is larger than the sum of its proper divisors (514639363329).

545222220543 is a wasteful number, since it uses less digits than its factorization.

545222220543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140885 (or 140882 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The spelling of 545222220543 in words is "five hundred forty-five billion, two hundred twenty-two million, two hundred twenty thousand, five hundred forty-three".