30044161 has 4 divisors (see below), whose sum is σ = 34336192. Its totient is φ = 25752132.

The previous prime is 30044153. The next prime is 30044171. The reversal of 30044161 is 16144003.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30044161 - 2³ = 30044153 is a prime.

It is a super-2 number, since 2×30044161² = 1805303220387842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30044171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2146005 + ... + 2146018.

It is an arithmetic number, because the mean of its divisors is an integer number (8584048).

Almost surely, 2^30044161 is an apocalyptic number.

It is an amenable number.

30044161 is a deficient number, since it is larger than the sum of its proper divisors (4292031).

30044161 is an equidigital number, since it uses as much as digits as its factorization.

30044161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292030.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 30044161 is about 5481.2554218901. The cubic root of 30044161 is about 310.8756408394.

Adding to 30044161 its reverse (16144003), we get a palindrome (46188164).

The spelling of 30044161 in words is "thirty million, forty-four thousand, one hundred sixty-one".