545238912 has 128 divisors (see below), whose sum is σ = 1509534720. Its totient is φ = 174182400.

The previous prime is 545238901. The next prime is 545238917. The reversal of 545238912 is 219832545.

545238912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

Its product of digits (86400) is a multiple of the sum of its prime divisors (480).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545238917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1940212 + ... + 1940492.

It is an arithmetic number, because the mean of its divisors is an integer number (11793240).

Almost surely, 2^545238912 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 545238912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754767360).

545238912 is an abundant number, since it is smaller than the sum of its proper divisors (964295808).

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

545238912 is a wasteful number, since it uses less digits than its factorization.

545238912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 480 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 545238912 is about 23350.3514320449. The cubic root of 545238912 is about 816.9502578248.

The spelling of 545238912 in words is "five hundred forty-five million, two hundred thirty-eight thousand, nine hundred twelve".