1144407164 has 96 divisors (see below), whose sum is σ = 2267092800. Its totient is φ = 503193600.

The previous prime is 1144407163. The next prime is 1144407307. The reversal of 1144407164 is 4617044411.

It is a self number, because there is not a number n which added to its sum of digits gives 1144407164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144407163) by changing a digit.

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, 11330714 + ... + 11330814.

It is an arithmetic number, because the mean of its divisors is an integer number (23615550).

Almost surely, 2^1144407164 is an apocalyptic number.

It is an amenable number.

1144407164 is a deficient number, since it is larger than the sum of its proper divisors (1122685636).

1144407164 is a wasteful number, since it uses less digits than its factorization.

1144407164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 1144407164 is about 33829.0875431189. The cubic root of 1144407164 is about 1045.9883703908.

The spelling of 1144407164 in words is "one billion, one hundred forty-four million, four hundred seven thousand, one hundred sixty-four".