545151204 has 36 divisors (see below), whose sum is σ = 1484023996. Its totient is φ = 167738688.

The previous prime is 545151203. The next prime is 545151239. The reversal of 545151204 is 402151545.

545151204 is a `hidden beast` number, since 5 + 451 + 5 + 1 + 204 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 246552804 + 298598400 = 15702^2 + 17280^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (545151203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 581959 + ... + 582894.

Almost surely, 2^545151204 is an apocalyptic number.

It is an amenable number.

545151204 is an abundant number, since it is smaller than the sum of its proper divisors (938872792).

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

545151204 is a wasteful number, since it uses less digits than its factorization.

545151204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164876 (or 1164871 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 545151204 is about 23348.4732691455. The cubic root of 545151204 is about 816.9064501691.

The spelling of 545151204 in words is "five hundred forty-five million, one hundred fifty-one thousand, two hundred four".