4400105145 has 32 divisors (see below), whose sum is σ = 7167992832. Its totient is φ = 2304457152.

The previous prime is 4400105089. The next prime is 4400105167. The reversal of 4400105145 is 5415010044.

It is a happy number.

It is not a de Polignac number, because 4400105145 - 2¹² = 4400101049 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197334 + ... + 218496.

It is an arithmetic number, because the mean of its divisors is an integer number (223999776).

Almost surely, 2^4400105145 is an apocalyptic number.

It is an amenable number.

4400105145 is a deficient number, since it is larger than the sum of its proper divisors (2767887687).

4400105145 is a wasteful number, since it uses less digits than its factorization.

4400105145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21421.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 4400105145 is about 66333.2883626313. The cubic root of 4400105145 is about 1638.6555937541.

Adding to 4400105145 its reverse (5415010044), we get a palindrome (9815115189).

The spelling of 4400105145 in words is "four billion, four hundred million, one hundred five thousand, one hundred forty-five".