545305152420 has 288 divisors, whose sum is σ = 2030499744000. Its totient is φ = 118080861696.

The previous prime is 545305152391. The next prime is 545305152487. The reversal of 545305152420 is 24251503545.

545305152420 is a `hidden beast` number, since 5 + 4 + 530 + 51 + 52 + 4 + 20 = 666.

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

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 95 ways as a sum of consecutive naturals, for example, 940632 + ... + 1405488.

Almost surely, 2^545305152420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545305152420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015249872000).

545305152420 is an abundant number, since it is smaller than the sum of its proper divisors (1485194591580).

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

545305152420 is a wasteful number, since it uses less digits than its factorization.

545305152420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464912 (or 464893 counting only the distinct ones).

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

Adding to 545305152420 its reverse (24251503545), we get a palindrome (569556655965).

The spelling of 545305152420 in words is "five hundred forty-five billion, three hundred five million, one hundred fifty-two thousand, four hundred twenty".