45123245121140 has 24 divisors (see below), whose sum is σ = 94759440210792. Its totient is φ = 18049178913920.

The previous prime is 45123245121137. The next prime is 45123245121161. The reversal of 45123245121140 is 4112154232154.

45123245121140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14255064745744 + 30868180375396 = 3775588^2 + 5555914^2 .

It is a super-2 number, since 2×45123245121140² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45123245121140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4307831 + ... + 10430910.

It is an arithmetic number, because the mean of its divisors is an integer number (3948310008783).

Almost surely, 2^{45123245121140} is an apocalyptic number.

It is an amenable number.

45123245121140 is an abundant number, since it is smaller than the sum of its proper divisors (49636195089652).

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

45123245121140 is a wasteful number, since it uses less digits than its factorization.

45123245121140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14891827 (or 14891825 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 45123245121140 its reverse (4112154232154), we get a palindrome (49235399353294).

The spelling of 45123245121140 in words is "forty-five trillion, one hundred twenty-three billion, two hundred forty-five million, one hundred twenty-one thousand, one hundred forty".