1144163432 has 64 divisors (see below), whose sum is σ = 2338459200. Its totient is φ = 522961920.

The previous prime is 1144163431. The next prime is 1144163437. The reversal of 1144163432 is 2343614411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1144163395 and 1144163404.

It is not an unprimeable number, because it can be changed into a prime (1144163431) by changing a digit.

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, 735968 + ... + 737520.

It is an arithmetic number, because the mean of its divisors is an integer number (36538425).

Almost surely, 2^1144163432 is an apocalyptic number.

It is an amenable number.

1144163432 is an abundant number, since it is smaller than the sum of its proper divisors (1194295768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144163432 is a wasteful number, since it uses less digits than its factorization.

1144163432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746 (or 1742 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 1144163432 is about 33825.4849484823. The cubic root of 1144163432 is about 1045.9141080867.

Adding to 1144163432 its reverse (2343614411), we get a palindrome (3487777843).

The spelling of 1144163432 in words is "one billion, one hundred forty-four million, one hundred sixty-three thousand, four hundred thirty-two".