545450130100 has 72 divisors (see below), whose sum is σ = 1187229559320. Its totient is φ = 217516615680.

The previous prime is 545450130053. The next prime is 545450130101. The reversal of 545450130100 is 1031054545.

It can be written as a sum of positive squares in 12 ways, for example, as 334405445284 + 211044684816 = 578278^2 + 459396^2 .

It is a super-2 number, since 2×545450130100² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545450130101) 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, 97870914 + ... + 97876486.

It is an arithmetic number, because the mean of its divisors is an integer number (16489299435).

Almost surely, 2^545450130100 is an apocalyptic number.

545450130100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

545450130100 is an abundant number, since it is smaller than the sum of its proper divisors (641779429220).

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

545450130100 is a wasteful number, since it uses less digits than its factorization.

545450130100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8389 (or 8382 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 545450130100 its reverse (1031054545), we get a palindrome (546481184645).

The spelling of 545450130100 in words is "five hundred forty-five billion, four hundred fifty million, one hundred thirty thousand, one hundred".