44509147161 has 4 divisors (see below), whose sum is σ = 59345529552. Its totient is φ = 29672764772.

The previous prime is 44509147147. The next prime is 44509147201. The reversal of 44509147161 is 16174190544.

44509147161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 44509147161 - 2⁶ = 44509147097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44509147141) 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, 7418191191 + ... + 7418191196.

It is an arithmetic number, because the mean of its divisors is an integer number (14836382388).

Almost surely, 2^44509147161 is an apocalyptic number.

It is an amenable number.

44509147161 is a deficient number, since it is larger than the sum of its proper divisors (14836382391).

44509147161 is a wasteful number, since it uses less digits than its factorization.

44509147161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14836382390.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 44509147161 in words is "forty-four billion, five hundred nine million, one hundred forty-seven thousand, one hundred sixty-one".