545045424 has 120 divisors (see below), whose sum is σ = 1786903488. Its totient is φ = 141563520.

The previous prime is 545045407. The next prime is 545045429. The reversal of 545045424 is 424540545.

545045424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (545045429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15339 + ... + 36405.

Almost surely, 2^545045424 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 545045424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893451744).

545045424 is an abundant number, since it is smaller than the sum of its proper divisors (1241858064).

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

545045424 is a wasteful number, since it uses less digits than its factorization.

545045424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21103 (or 21090 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 33.

The square root of 545045424 is about 23346.2079147771. The cubic root of 545045424 is about 816.8536098113.

Adding to 545045424 its reverse (424540545), we get a palindrome (969585969).

The spelling of 545045424 in words is "five hundred forty-five million, forty-five thousand, four hundred twenty-four".