545020180 has 12 divisors (see below), whose sum is σ = 1144542420. Its totient is φ = 218008064.

The previous prime is 545020169. The next prime is 545020199. The reversal of 545020180 is 81020545.

It can be written as a sum of positive squares in 2 ways, for example, as 377369476 + 167650704 = 19426^2 + 12948^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13625485 + ... + 13625524.

It is an arithmetic number, because the mean of its divisors is an integer number (95378535).

Almost surely, 2^545020180 is an apocalyptic number.

It is an amenable number.

545020180 is an abundant number, since it is smaller than the sum of its proper divisors (599522240).

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

545020180 is a wasteful number, since it uses less digits than its factorization.

545020180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27251018 (or 27251016 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 545020180 is about 23345.6672639700. The cubic root of 545020180 is about 816.8409986478.

The spelling of 545020180 in words is "five hundred forty-five million, twenty thousand, one hundred eighty".