545145252300 has 504 divisors, whose sum is σ = 1939780064880. Its totient is φ = 131821862400.

The previous prime is 545145252271. The next prime is 545145252307. The reversal of 545145252300 is 3252541545.

545145252300 is a `hidden beast` number, since 54 + 51 + 4 + 5 + 252 + 300 = 666.

It is a super-2 number, since 2×545145252300² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (545145252307) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 491564146 + ... + 491565254.

It is an arithmetic number, because the mean of its divisors is an integer number (3848769970).

Almost surely, 2^545145252300 is an apocalyptic number.

545145252300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545145252300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (969890032440).

545145252300 is an abundant number, since it is smaller than the sum of its proper divisors (1394634812580).

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

545145252300 is a wasteful number, since it uses less digits than its factorization.

545145252300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765 (or 1743 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 545145252300 its reverse (3252541545), we get a palindrome (548397793845).

The spelling of 545145252300 in words is "five hundred forty-five billion, one hundred forty-five million, two hundred fifty-two thousand, three hundred".