545451110204 has 144 divisors (see below), whose sum is σ = 1288165487616. Its totient is φ = 195166713600.

The previous prime is 545451110179. The next prime is 545451110221. The reversal of 545451110204 is 402011154545.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 769324202 + ... + 769324910.

It is an arithmetic number, because the mean of its divisors is an integer number (8945593664).

Almost surely, 2^545451110204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545451110204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644082743808).

545451110204 is an abundant number, since it is smaller than the sum of its proper divisors (742714377412).

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

545451110204 is a wasteful number, since it uses less digits than its factorization.

545451110204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 545451110204 its reverse (402011154545), we get a palindrome (947462264749).

The spelling of 545451110204 in words is "five hundred forty-five billion, four hundred fifty-one million, one hundred ten thousand, two hundred four".