45243120452000 has 192 divisors, whose sum is σ = 112708298102400. Its totient is φ = 17846641612800.

The previous prime is 45243120451987. The next prime is 45243120452003. The reversal of 45243120452000 is 25402134254.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (45243120452003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134756339 + ... + 135091661.

It is an arithmetic number, because the mean of its divisors is an integer number (587022385950).

Almost surely, 2^{45243120452000} is an apocalyptic number.

45243120452000 is a gapful number since it is divisible by the number (40) 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 45243120452000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56354149051200).

45243120452000 is an abundant number, since it is smaller than the sum of its proper divisors (67465177650400).

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

45243120452000 is a wasteful number, since it uses less digits than its factorization.

45243120452000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335816 (or 335798 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 45243120452000 its reverse (25402134254), we get a palindrome (45268522586254).

The spelling of 45243120452000 in words is "forty-five trillion, two hundred forty-three billion, one hundred twenty million, four hundred fifty-two thousand".