545145320421030 has 96 divisors (see below), whose sum is σ = 1521962115282144. Its totient is φ = 124604203874304.

The previous prime is 545145320421029. The next prime is 545145320421101. The reversal of 545145320421030 is 30124023541545.

It is a self number, because there is not a number n which added to its sum of digits gives 545145320421030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 605473864 + ... + 606373556.

It is an arithmetic number, because the mean of its divisors is an integer number (15853772034189).

Almost surely, 2^{545145320421030} is an apocalyptic number.

545145320421030 is an abundant number, since it is smaller than the sum of its proper divisors (976816794861114).

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

545145320421030 is a wasteful number, since it uses less digits than its factorization.

545145320421030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311910 (or 1311903 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 545145320421030 its reverse (30124023541545), we get a palindrome (575269343962575).

The spelling of 545145320421030 in words is "five hundred forty-five trillion, one hundred forty-five billion, three hundred twenty million, four hundred twenty-one thousand, thirty".