45545004450 has 144 divisors (see below), whose sum is σ = 136593284256. Its totient is φ = 10784390400.

The previous prime is 45545004413. The next prime is 45545004457. The reversal of 45545004450 is 5440054554.

45545004450 is a `hidden beast` number, since 4 + 554 + 50 + 0 + 4 + 4 + 50 = 666.

45545004450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45545004457) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 105862 + ... + 319838.

It is an arithmetic number, because the mean of its divisors is an integer number (948564474).

Almost surely, 2^45545004450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45545004450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68296642128).

45545004450 is an abundant number, since it is smaller than the sum of its proper divisors (91048279806).

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

45545004450 is a wasteful number, since it uses less digits than its factorization.

45545004450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214049 (or 214041 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The spelling of 45545004450 in words is "forty-five billion, five hundred forty-five million, four thousand, four hundred fifty".