45115154312540 has 96 divisors (see below), whose sum is σ = 108049764775680. Its totient is φ = 15675361468416.

The previous prime is 45115154312531. The next prime is 45115154312561. The reversal of 45115154312540 is 4521345151154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25226696 + ... + 26955824.

It is an arithmetic number, because the mean of its divisors is an integer number (1125518383080).

Almost surely, 2^{45115154312540} 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 45115154312540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54024882387840).

45115154312540 is an abundant number, since it is smaller than the sum of its proper divisors (62934610463140).

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

45115154312540 is a wasteful number, since it uses less digits than its factorization.

45115154312540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735071 (or 1735069 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 41.

Adding to 45115154312540 its reverse (4521345151154), we get a palindrome (49636499463694).

The spelling of 45115154312540 in words is "forty-five trillion, one hundred fifteen billion, one hundred fifty-four million, three hundred twelve thousand, five hundred forty".