545330100 has 72 divisors (see below), whose sum is σ = 1803231808. Its totient is φ = 124646400.

The previous prime is 545330059. The next prime is 545330111. The reversal of 545330100 is 1033545.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127741 + ... + 131940.

Almost surely, 2^545330100 is an apocalyptic number.

545330100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

545330100 is an abundant number, since it is smaller than the sum of its proper divisors (1257901708).

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

545330100 is a wasteful number, since it uses less digits than its factorization.

545330100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259705 (or 259698 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 545330100 is about 23352.3039548564. The cubic root of 545330100 is about 816.9957986607.

Adding to 545330100 its reverse (1033545), we get a palindrome (546363645).

It can be divided in two parts, 5453 and 30100, that added together give a palindrome (35553).

The spelling of 545330100 in words is "five hundred forty-five million, three hundred thirty thousand, one hundred".