45223312530 has 128 divisors (see below), whose sum is σ = 125797121280. Its totient is φ = 10299018240.

The previous prime is 45223312513. The next prime is 45223312577. The reversal of 45223312530 is 3521332254.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 290232 + ... + 417948.

It is an arithmetic number, because the mean of its divisors is an integer number (982790010).

Almost surely, 2^45223312530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45223312530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62898560640).

45223312530 is an abundant number, since it is smaller than the sum of its proper divisors (80573808750).

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

45223312530 is a wasteful number, since it uses less digits than its factorization.

45223312530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127804.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 45223312530 its reverse (3521332254), we get a palindrome (48744644784).

It can be divided in two parts, 45223 and 312530, that added together give a palindrome (357753).

The spelling of 45223312530 in words is "forty-five billion, two hundred twenty-three million, three hundred twelve thousand, five hundred thirty".