45132320130 has 128 divisors (see below), whose sum is σ = 116397388800. Its totient is φ = 11164817664.

The previous prime is 45132320047. The next prime is 45132320131. The reversal of 45132320130 is 3102323154.

It is a self number, because there is not a number n which added to its sum of digits gives 45132320130.

It is not an unprimeable number, because it can be changed into a prime (45132320131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19907257 + ... + 19909523.

It is an arithmetic number, because the mean of its divisors is an integer number (909354600).

Almost surely, 2^45132320130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45132320130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58198694400).

45132320130 is an abundant number, since it is smaller than the sum of its proper divisors (71265068670).

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

45132320130 is a wasteful number, since it uses less digits than its factorization.

45132320130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 45132320130 its reverse (3102323154), we get a palindrome (48234643284).

The spelling of 45132320130 in words is "forty-five billion, one hundred thirty-two million, three hundred twenty thousand, one hundred thirty".