545240430 has 128 divisors (see below), whose sum is σ = 1700582400. Its totient is φ = 121709952.

The previous prime is 545240401. The next prime is 545240441. The reversal of 545240430 is 34042545.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 545240394 and 545240403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77916 + ... + 84624.

It is an arithmetic number, because the mean of its divisors is an integer number (13285800).

Almost surely, 2^545240430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545240430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850291200).

545240430 is an abundant number, since it is smaller than the sum of its proper divisors (1155341970).

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

545240430 is a wasteful number, since it uses less digits than its factorization.

545240430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6775 (or 6769 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 545240430 is about 23350.3839368863. The cubic root of 545240430 is about 816.9510159813.

Adding to 545240430 its reverse (34042545), we get a palindrome (579282975).

The spelling of 545240430 in words is "five hundred forty-five million, two hundred forty thousand, four hundred thirty".