45545434220 has 96 divisors (see below), whose sum is σ = 113361837120. Its totient is φ = 15152578560.

The previous prime is 45545434189. The next prime is 45545434237. The reversal of 45545434220 is 2243454554.

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 31 ways as a sum of consecutive naturals, for example, 252716 + ... + 393644.

It is an arithmetic number, because the mean of its divisors is an integer number (1180852470).

Almost surely, 2^45545434220 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 45545434220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56680918560).

45545434220 is an abundant number, since it is smaller than the sum of its proper divisors (67816402900).

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

45545434220 is a wasteful number, since it uses less digits than its factorization.

45545434220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141075 (or 141073 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 38.

Adding to 45545434220 its reverse (2243454554), we get a palindrome (47788888774).

The spelling of 45545434220 in words is "forty-five billion, five hundred forty-five million, four hundred thirty-four thousand, two hundred twenty".