545190921768312 has 192 divisors, whose sum is σ = 1556452340352000. Its totient is φ = 172146841558272.

The previous prime is 545190921768301. The next prime is 545190921768313. The reversal of 545190921768312 is 213867129091545.

It is a happy number.

545190921768312 is a `hidden beast` number, since 5 + 4 + 519 + 0 + 9 + 21 + 7 + 6 + 83 + 12 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 545190921768312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545190921768313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57566433 + ... + 66364719.

It is an arithmetic number, because the mean of its divisors is an integer number (8106522606000).

It is a 1-persistent number, because it is pandigital, but 2⋅545190921768312 = 1090381843536624 is not.

Almost surely, 2^{545190921768312} 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 545190921768312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778226170176000).

545190921768312 is an abundant number, since it is smaller than the sum of its proper divisors (1011261418583688).

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

545190921768312 is a wasteful number, since it uses less digits than its factorization.

545190921768312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8798890 (or 8798883 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 545190921768312 in words is "five hundred forty-five trillion, one hundred ninety billion, nine hundred twenty-one million, seven hundred sixty-eight thousand, three hundred twelve".