45520223445 has 24 divisors (see below), whose sum is σ = 78908180832. Its totient is φ = 24275464800.

The previous prime is 45520223429. The next prime is 45520223477. The reversal of 45520223445 is 54432202554.

45520223445 is a `hidden beast` number, since 4 + 5 + 5 + 202 + 2 + 3 + 445 = 666.

It is not a de Polignac number, because 45520223445 - 2⁴ = 45520223429 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 636130 + ... + 704060.

It is an arithmetic number, because the mean of its divisors is an integer number (3287840868).

Almost surely, 2^45520223445 is an apocalyptic number.

45520223445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45520223445 is a deficient number, since it is larger than the sum of its proper divisors (33387957387).

45520223445 is a wasteful number, since it uses less digits than its factorization.

45520223445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82833 (or 82830 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

Adding to 45520223445 its reverse (54432202554), we get a palindrome (99952425999).

The spelling of 45520223445 in words is "forty-five billion, five hundred twenty million, two hundred twenty-three thousand, four hundred forty-five".