45312244656 has 160 divisors (see below), whose sum is σ = 135450378240. Its totient is φ = 12785568768.

The previous prime is 45312244651. The next prime is 45312244661. The reversal of 45312244656 is 65644221354.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45312244651) and next prime (45312244661).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (45312244651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9769570 + ... + 9774206.

It is an arithmetic number, because the mean of its divisors is an integer number (846564864).

Almost surely, 2^45312244656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45312244656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67725189120).

45312244656 is an abundant number, since it is smaller than the sum of its proper divisors (90138133584).

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

45312244656 is a wasteful number, since it uses less digits than its factorization.

45312244656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011 (or 5005 counting only the distinct ones).

The product of its digits is 691200, while the sum is 42.

The spelling of 45312244656 in words is "forty-five billion, three hundred twelve million, two hundred forty-four thousand, six hundred fifty-six".