445532132 has 6 divisors (see below), whose sum is σ = 779681238. Its totient is φ = 222766064.

The previous prime is 445532123. The next prime is 445532173. The reversal of 445532132 is 231235544.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 284394496 + 161137636 = 16864^2 + 12694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 445532095 and 445532104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55691513 + ... + 55691520.

It is an arithmetic number, because the mean of its divisors is an integer number (129946873).

Almost surely, 2^445532132 is an apocalyptic number.

It is an amenable number.

445532132 is a deficient number, since it is larger than the sum of its proper divisors (334149106).

445532132 is a wasteful number, since it uses less digits than its factorization.

445532132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111383037 (or 111383035 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 445532132 is about 21107.6320794162. The cubic root of 445532132 is about 763.7648669250.

Adding to 445532132 its reverse (231235544), we get a palindrome (676767676).

The spelling of 445532132 in words is "four hundred forty-five million, five hundred thirty-two thousand, one hundred thirty-two".