161444032 has 28 divisors (see below), whose sum is σ = 330703936. Its totient is φ = 78117120.

The previous prime is 161444021. The next prime is 161444081. The reversal of 161444032 is 230444161.

161444032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 161443988 and 161444006.

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 3 ways as a sum of consecutive naturals, for example, 38703 + ... + 42670.

Almost surely, 2^161444032 is an apocalyptic number.

It is an amenable number.

161444032 is an abundant number, since it is smaller than the sum of its proper divisors (169259904).

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

161444032 is an equidigital number, since it uses as much as digits as its factorization.

161444032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81416 (or 81406 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 161444032 is about 12706.0628048188. The cubic root of 161444032 is about 544.5118452475.

Adding to 161444032 its reverse (230444161), we get a palindrome (391888193).

The spelling of 161444032 in words is "one hundred sixty-one million, four hundred forty-four thousand, thirty-two".