45472232112 has 80 divisors (see below), whose sum is σ = 120534556128. Its totient is φ = 14763202560.

The previous prime is 45472232063. The next prime is 45472232129. The reversal of 45472232112 is 21123227454.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1187538 + ... + 1225230.

Almost surely, 2^45472232112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45472232112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60267278064).

45472232112 is an abundant number, since it is smaller than the sum of its proper divisors (75062324016).

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

45472232112 is a wasteful number, since it uses less digits than its factorization.

45472232112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38358 (or 38352 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

Adding to 45472232112 its reverse (21123227454), we get a palindrome (66595459566).

The spelling of 45472232112 in words is "forty-five billion, four hundred seventy-two million, two hundred thirty-two thousand, one hundred twelve".