45323522645 has 4 divisors (see below), whose sum is σ = 54388227180. Its totient is φ = 36258818112.

The previous prime is 45323522609. The next prime is 45323522663. The reversal of 45323522645 is 54622532354.

45323522645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5953819921 + 39369702724 = 77161^2 + 198418^2 .

It is a cyclic number.

It is not a de Polignac number, because 45323522645 - 2⁸ = 45323522389 is a prime.

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, 4532352260 + ... + 4532352269.

It is an arithmetic number, because the mean of its divisors is an integer number (13597056795).

Almost surely, 2^45323522645 is an apocalyptic number.

It is an amenable number.

45323522645 is a deficient number, since it is larger than the sum of its proper divisors (9064704535).

45323522645 is an equidigital number, since it uses as much as digits as its factorization.

45323522645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9064704534.

The product of its digits is 864000, while the sum is 41.

The spelling of 45323522645 in words is "forty-five billion, three hundred twenty-three million, five hundred twenty-two thousand, six hundred forty-five".