165045032 has 32 divisors (see below), whose sum is σ = 320927400. Its totient is φ = 79478784.

The previous prime is 165044969. The next prime is 165045047. The reversal of 165045032 is 230540561.

It can be written as a sum of positive squares in 4 ways, for example, as 122456356 + 42588676 = 11066^2 + 6526^2 .

It is a junction number, because it is equal to n+sod(n) for n = 165044992 and 165045010.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 142568 + ... + 143720.

Almost surely, 2^165045032 is an apocalyptic number.

It is an amenable number.

165045032 is a deficient number, since it is larger than the sum of its proper divisors (155882368).

165045032 is a wasteful number, since it uses less digits than its factorization.

165045032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805 (or 1801 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 165045032 is about 12846.9853273054. The cubic root of 165045032 is about 548.5305480397.

Adding to 165045032 its reverse (230540561), we get a palindrome (395585593).

The spelling of 165045032 in words is "one hundred sixty-five million, forty-five thousand, thirty-two".