45472232117 has 4 divisors (see below), whose sum is σ = 48970096140. Its totient is φ = 41974368096.

The previous prime is 45472232063. The next prime is 45472232129. The reversal of 45472232117 is 71123227454.

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 21735899761 + 23736332356 = 147431^2 + 154066^2 .

It is a cyclic number.

It is not a de Polignac number, because 45472232117 - 2¹⁶ = 45472166581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45472232717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1748931992 + ... + 1748932017.

It is an arithmetic number, because the mean of its divisors is an integer number (12242524035).

Almost surely, 2^45472232117 is an apocalyptic number.

It is an amenable number.

45472232117 is a deficient number, since it is larger than the sum of its proper divisors (3497864023).

45472232117 is a wasteful number, since it uses less digits than its factorization.

45472232117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497864022.

The product of its digits is 94080, while the sum is 38.

The spelling of 45472232117 in words is "forty-five billion, four hundred seventy-two million, two hundred thirty-two thousand, one hundred seventeen".