545242544 has 80 divisors (see below), whose sum is σ = 1386458880. Its totient is φ = 201242880.

The previous prime is 545242499. The next prime is 545242549. The reversal of 545242544 is 445242545.

It is not an unprimeable number, because it can be changed into a prime (545242549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11762 + ... + 35054.

It is an arithmetic number, because the mean of its divisors is an integer number (17330736).

Almost surely, 2^545242544 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 545242544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693229440).

545242544 is an abundant number, since it is smaller than the sum of its proper divisors (841216336).

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

545242544 is a wasteful number, since it uses less digits than its factorization.

545242544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23338 (or 23332 counting only the distinct ones).

The product of its digits is 128000, while the sum is 35.

The square root of 545242544 is about 23350.4292037641. The cubic root of 545242544 is about 816.9520718044.

Subtracting from 545242544 its reverse (445242545), we obtain a palindrome (99999999).

The spelling of 545242544 in words is "five hundred forty-five million, two hundred forty-two thousand, five hundred forty-four".