545150212500 has 144 divisors (see below), whose sum is σ = 1598178835008. Its totient is φ = 144618240000.

The previous prime is 545150212471. The next prime is 545150212513. The reversal of 545150212500 is 5212051545.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7199839 + ... + 7275161.

It is an arithmetic number, because the mean of its divisors is an integer number (11098464132).

Almost surely, 2^545150212500 is an apocalyptic number.

545150212500 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 545150212500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799089417504).

545150212500 is an abundant number, since it is smaller than the sum of its proper divisors (1053028622508).

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

545150212500 is a wasteful number, since it uses less digits than its factorization.

545150212500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75548 (or 75526 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 545150212500 in words is "five hundred forty-five billion, one hundred fifty million, two hundred twelve thousand, five hundred".