45512043140 has 24 divisors (see below), whose sum is σ = 98158408152. Its totient is φ = 17712794880.

The previous prime is 45512043139. The next prime is 45512043149. The reversal of 45512043140 is 4134021554.

It can be written as a sum of positive squares in 4 ways, for example, as 1372554304 + 44139488836 = 37048^2 + 210094^2 .

It is not an unprimeable number, because it can be changed into a prime (45512043149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30750641 + ... + 30752120.

It is an arithmetic number, because the mean of its divisors is an integer number (4089933673).

Almost surely, 2^45512043140 is an apocalyptic number.

It is an amenable number.

45512043140 is an abundant number, since it is smaller than the sum of its proper divisors (52646365012).

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

45512043140 is a wasteful number, since it uses less digits than its factorization.

45512043140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61502807 (or 61502805 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 45512043140 its reverse (4134021554), we get a palindrome (49646064694).

The spelling of 45512043140 in words is "forty-five billion, five hundred twelve million, forty-three thousand, one hundred forty".