545400204 has 24 divisors (see below), whose sum is σ = 1303640688. Its totient is φ = 177365760.

The previous prime is 545400197. The next prime is 545400209. The reversal of 545400204 is 402004545.

It is a super-2 number, since 2×545400204² = 594922765046483232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545400209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553777 + ... + 554760.

It is an arithmetic number, because the mean of its divisors is an integer number (54318362).

Almost surely, 2^545400204 is an apocalyptic number.

It is an amenable number.

545400204 is an abundant number, since it is smaller than the sum of its proper divisors (758240484).

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

545400204 is a wasteful number, since it uses less digits than its factorization.

545400204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108585 (or 1108583 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 545400204 is about 23353.8049148313. The cubic root of 545400204 is about 817.0308063373.

Adding to 545400204 its reverse (402004545), we get a palindrome (947404749).

The spelling of 545400204 in words is "five hundred forty-five million, four hundred thousand, two hundred four".