45144232685 has 8 divisors (see below), whose sum is σ = 54206674200. Its totient is φ = 36092989504.

The previous prime is 45144232681. The next prime is 45144232687. The reversal of 45144232685 is 58623244154.

45144232685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2313032836 + 42831199849 = 48094^2 + 206957^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45144232685 - 2² = 45144232681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45144232681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2790710 + ... + 2806839.

It is an arithmetic number, because the mean of its divisors is an integer number (6775834275).

Almost surely, 2^45144232685 is an apocalyptic number.

It is an amenable number.

45144232685 is a deficient number, since it is larger than the sum of its proper divisors (9062441515).

45144232685 is a wasteful number, since it uses less digits than its factorization.

45144232685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599167.

The product of its digits is 921600, while the sum is 44.

The spelling of 45144232685 in words is "forty-five billion, one hundred forty-four million, two hundred thirty-two thousand, six hundred eighty-five".