545340000 has 240 divisors, whose sum is σ = 1830351600. Its totient is φ = 142080000.

The previous prime is 545339999. The next prime is 545340011. The reversal of 545340000 is 43545.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3659926 + ... + 3660074.

It is an arithmetic number, because the mean of its divisors is an integer number (7626465).

Almost surely, 2^545340000 is an apocalyptic number.

545340000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545340000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (915175800).

545340000 is an abundant number, since it is smaller than the sum of its proper divisors (1285011600).

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

545340000 is a wasteful number, since it uses less digits than its factorization.

545340000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 545340000 is about 23352.5159244138. The cubic root of 545340000 is about 817.0007425833. Note that the first 3 decimals are identical.

Adding to 545340000 its reverse (43545), we get a palindrome (545383545).

The spelling of 545340000 in words is "five hundred forty-five million, three hundred forty thousand".