4005143465 has 16 divisors (see below), whose sum is σ = 4845294720. Its totient is φ = 3178116480.

The previous prime is 4005143459. The next prime is 4005143531. The reversal of 4005143465 is 5643415004.

It is a de Polignac number, because none of the positive numbers 2^k-4005143465 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405101 + ... + 414869.

It is an arithmetic number, because the mean of its divisors is an integer number (302830920).

Almost surely, 2^4005143465 is an apocalyptic number.

It is an amenable number.

4005143465 is a deficient number, since it is larger than the sum of its proper divisors (840151255).

4005143465 is a wasteful number, since it uses less digits than its factorization.

4005143465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10432.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 4005143465 is about 63286.2028012425. The cubic root of 4005143465 is about 1588.0811556899.

Adding to 4005143465 its reverse (5643415004), we get a palindrome (9648558469).

The spelling of 4005143465 in words is "four billion, five million, one hundred forty-three thousand, four hundred sixty-five".