45132232 has 8 divisors (see below), whose sum is σ = 84622950. Its totient is φ = 22566112.

The previous prime is 45132221. The next prime is 45132259. The reversal of 45132232 is 23223154.

It can be written as a sum of positive squares in only one way, i.e., 36168196 + 8964036 = 6014^2 + 2994^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820757 + ... + 2820772.

Almost surely, 2^45132232 is an apocalyptic number.

It is an amenable number.

45132232 is a deficient number, since it is larger than the sum of its proper divisors (39490718).

45132232 is a wasteful number, since it uses less digits than its factorization.

45132232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641535 (or 5641531 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 45132232 is about 6718.0526940476. The cubic root of 45132232 is about 356.0373861339.

Adding to 45132232 its reverse (23223154), we get a palindrome (68355386).

The spelling of 45132232 in words is "forty-five million, one hundred thirty-two thousand, two hundred thirty-two".