45223643648 has 160 divisors (see below), whose sum is σ = 97367339520. Its totient is φ = 20933017600.

The previous prime is 45223643639. The next prime is 45223643657. The reversal of 45223643648 is 84634632254.

It is an interprime number because it is at equal distance from previous prime (45223643639) and next prime (45223643657).

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55900268 + ... + 55901076.

It is an arithmetic number, because the mean of its divisors is an integer number (608545872).

Almost surely, 2^45223643648 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 45223643648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48683669760).

45223643648 is an abundant number, since it is smaller than the sum of its proper divisors (52143695872).

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

45223643648 is a wasteful number, since it uses less digits than its factorization.

45223643648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 982 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 47.

The spelling of 45223643648 in words is "forty-five billion, two hundred twenty-three million, six hundred forty-three thousand, six hundred forty-eight".