45213548544 has 168 divisors, whose sum is σ = 134049891920. Its totient is φ = 15061745664.

The previous prime is 45213548533. The next prime is 45213548593. The reversal of 45213548544 is 44584531254.

45213548544 is a `hidden beast` number, since 4 + 52 + 1 + 3 + 54 + 8 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 45213548544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28310754 + ... + 28312350.

Almost surely, 2^45213548544 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 45213548544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67024945960).

45213548544 is an abundant number, since it is smaller than the sum of its proper divisors (88836343376).

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

45213548544 is an frugal number, since it uses more digits than its factorization.

45213548544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646 (or 1602 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 45.

The spelling of 45213548544 in words is "forty-five billion, two hundred thirteen million, five hundred forty-eight thousand, five hundred forty-four".