45120232 has 16 divisors (see below), whose sum is σ = 84700260. Its totient is φ = 22533504.

The previous prime is 45120209. The next prime is 45120239. The reversal of 45120232 is 23202154.

45120232 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 2 ways, for example, as 45077796 + 42436 = 6714^2 + 206^2 .

It is not an unprimeable number, because it can be changed into a prime (45120239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5148 + ... + 10804.

Almost surely, 2^45120232 is an apocalyptic number.

It is an amenable number.

45120232 is a deficient number, since it is larger than the sum of its proper divisors (39580028).

45120232 is a wasteful number, since it uses less digits than its factorization.

45120232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6660 (or 6656 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 45120232 is about 6717.1595187252. The cubic root of 45120232 is about 356.0058282933.

Adding to 45120232 its reverse (23202154), we get a palindrome (68322386).

The spelling of 45120232 in words is "forty-five million, one hundred twenty thousand, two hundred thirty-two".