45490448745 has 128 divisors (see below), whose sum is σ = 95915520000. Its totient is φ = 20441937600.

The previous prime is 45490448741. The next prime is 45490448747. The reversal of 45490448745 is 54784409454.

45490448745 is a `hidden beast` number, since 45 + 4 + 90 + 448 + 74 + 5 = 666.

45490448745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45490448745 - 2² = 45490448741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45490448691 and 45490448700.

It is not an unprimeable number, because it can be changed into a prime (45490448741) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2723670 + ... + 2740320.

It is an arithmetic number, because the mean of its divisors is an integer number (749340000).

Almost surely, 2^45490448745 is an apocalyptic number.

45490448745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45490448745 is an abundant number, since it is smaller than the sum of its proper divisors (50425071255).

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

45490448745 is a wasteful number, since it uses less digits than its factorization.

45490448745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16745 (or 16725 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 54.

The spelling of 45490448745 in words is "forty-five billion, four hundred ninety million, four hundred forty-eight thousand, seven hundred forty-five".