1152403144 has 8 divisors (see below), whose sum is σ = 2160755910. Its totient is φ = 576201568.

The previous prime is 1152403141. The next prime is 1152403177. The reversal of 1152403144 is 4413042511.

It can be written as a sum of positive squares in only one way, i.e., 668843044 + 483560100 = 25862^2 + 21990^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1152403141) 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 as a sum of consecutive naturals, namely, 72025189 + ... + 72025204.

Almost surely, 2^1152403144 is an apocalyptic number.

It is an amenable number.

1152403144 is a deficient number, since it is larger than the sum of its proper divisors (1008352766).

1152403144 is a wasteful number, since it uses less digits than its factorization.

1152403144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144050399 (or 144050395 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1152403144 is about 33947.0638494701. The cubic root of 1152403144 is about 1048.4188277006.

Adding to 1152403144 its reverse (4413042511), we get a palindrome (5565445655).

The spelling of 1152403144 in words is "one billion, one hundred fifty-two million, four hundred three thousand, one hundred forty-four".