545018208 has 48 divisors (see below), whose sum is σ = 1635056640. Its totient is φ = 155719296.

The previous prime is 545018197. The next prime is 545018209. The reversal of 545018208 is 802810545.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545018209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404848 + ... + 406191.

It is an arithmetic number, because the mean of its divisors is an integer number (34063680).

Almost surely, 2^545018208 is an apocalyptic number.

It is an amenable number.

545018208 is an abundant number, since it is smaller than the sum of its proper divisors (1090038432).

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

545018208 is a wasteful number, since it uses less digits than its factorization.

545018208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811059 (or 811051 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 545018208 is about 23345.6250291141. The cubic root of 545018208 is about 816.8400134779.

The spelling of 545018208 in words is "five hundred forty-five million, eighteen thousand, two hundred eight".