45221745594 has 16 divisors (see below), whose sum is σ = 95763696768. Its totient is φ = 14187214272.

The previous prime is 45221745593. The next prime is 45221745637. The reversal of 45221745594 is 49554712254.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45221745593) 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 7 ways as a sum of consecutive naturals, for example, 221675122 + ... + 221675325.

It is an arithmetic number, because the mean of its divisors is an integer number (5985231048).

Almost surely, 2^45221745594 is an apocalyptic number.

45221745594 is an abundant number, since it is smaller than the sum of its proper divisors (50541951174).

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

45221745594 is a wasteful number, since it uses less digits than its factorization.

45221745594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443350469.

The product of its digits is 2016000, while the sum is 48.

The spelling of 45221745594 in words is "forty-five billion, two hundred twenty-one million, seven hundred forty-five thousand, five hundred ninety-four".