44003161 has 4 divisors (see below), whose sum is σ = 44023824. Its totient is φ = 43982500.

The previous prime is 44003149. The next prime is 44003171. The reversal of 44003161 is 16130044.

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 a cyclic number.

It is not a de Polignac number, because 44003161 - 2²¹ = 41906009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44003171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6715 + ... + 11536.

It is an arithmetic number, because the mean of its divisors is an integer number (11005956).

Almost surely, 2^44003161 is an apocalyptic number.

It is an amenable number.

44003161 is a deficient number, since it is larger than the sum of its proper divisors (20663).

44003161 is a wasteful number, since it uses less digits than its factorization.

44003161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20662.

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

The square root of 44003161 is about 6633.4878457716. The cubic root of 44003161 is about 353.0432874446.

The spelling of 44003161 in words is "forty-four million, three thousand, one hundred sixty-one".