45703645648 has 20 divisors (see below), whose sum is σ = 93759685380. Its totient is φ = 21507597824.

The previous prime is 45703645607. The next prime is 45703645651. The reversal of 45703645648 is 84654630754.

It can be written as a sum of positive squares in 2 ways, for example, as 33121088064 + 12582557584 = 181992^2 + 112172^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45703645595 and 45703645604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84013783 + ... + 84014326.

It is an arithmetic number, because the mean of its divisors is an integer number (4687984269).

Almost surely, 2^45703645648 is an apocalyptic number.

It is an amenable number.

45703645648 is an abundant number, since it is smaller than the sum of its proper divisors (48056039732).

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

45703645648 is a wasteful number, since it uses less digits than its factorization.

45703645648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168028134 (or 168028128 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 52.

The spelling of 45703645648 in words is "forty-five billion, seven hundred three million, six hundred forty-five thousand, six hundred forty-eight".