44181145 has 16 divisors (see below), whose sum is σ = 55157760. Its totient is φ = 33943104.

The previous prime is 44181121. The next prime is 44181161. The reversal of 44181145 is 54118144.

It is a cyclic number.

It is not a de Polignac number, because 44181145 - 2⁷ = 44181017 is a prime.

It is a super-2 number, since 2×44181145² = 3903947147022050, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 13104 + ... + 16126.

It is an arithmetic number, because the mean of its divisors is an integer number (3447360).

Almost surely, 2^44181145 is an apocalyptic number.

It is an amenable number.

44181145 is a deficient number, since it is larger than the sum of its proper divisors (10976615).

44181145 is a wasteful number, since it uses less digits than its factorization.

44181145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144.

The product of its digits is 2560, while the sum is 28.

The square root of 44181145 is about 6646.8898742194. The cubic root of 44181145 is about 353.5186436474.

Adding to 44181145 its reverse (54118144), we get a palindrome (98299289).

The spelling of 44181145 in words is "forty-four million, one hundred eighty-one thousand, one hundred forty-five".