545042461500 has 144 divisors (see below), whose sum is σ = 1720139541120. Its totient is φ = 145284451200.

The previous prime is 545042461451. The next prime is 545042461501. The reversal of 545042461500 is 5164240545.

545042461500 is a `hidden beast` number, since 5 + 4 + 50 + 42 + 4 + 61 + 500 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545042461501) 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, 11419686 + ... + 11467314.

It is an arithmetic number, because the mean of its divisors is an integer number (11945413480).

Almost surely, 2^545042461500 is an apocalyptic number.

545042461500 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 545042461500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860069770560).

545042461500 is an abundant number, since it is smaller than the sum of its proper divisors (1175097079620).

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

545042461500 is a wasteful number, since it uses less digits than its factorization.

545042461500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50197 (or 50182 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 545042461500 in words is "five hundred forty-five billion, forty-two million, four hundred sixty-one thousand, five hundred".