44161345 has 8 divisors (see below), whose sum is σ = 54821160. Its totient is φ = 34110720.

The previous prime is 44161331. The next prime is 44161367. The reversal of 44161345 is 54316144.

It can be written as a sum of positive squares in 4 ways, for example, as 3111696 + 41049649 = 1764^2 + 6407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44161345 - 2⁷ = 44161217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152136 + ... + 152425.

It is an arithmetic number, because the mean of its divisors is an integer number (6852645).

Almost surely, 2^44161345 is an apocalyptic number.

It is an amenable number.

44161345 is a deficient number, since it is larger than the sum of its proper divisors (10659815).

44161345 is a wasteful number, since it uses less digits than its factorization.

44161345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304595.

The product of its digits is 5760, while the sum is 28.

The square root of 44161345 is about 6645.4002889217. The cubic root of 44161345 is about 353.4658253765.

Adding to 44161345 its reverse (54316144), we get a palindrome (98477489).

The spelling of 44161345 in words is "forty-four million, one hundred sixty-one thousand, three hundred forty-five".