1152403143 has 16 divisors (see below), whose sum is σ = 1623578880. Its totient is φ = 725056704.

The previous prime is 1152403141. The next prime is 1152403177. The reversal of 1152403143 is 3413042511.

It is a happy number.

It is not a de Polignac number, because 1152403143 - 2¹ = 1152403141 is a prime.

It is a congruent number.

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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23446 + ... + 53427.

It is an arithmetic number, because the mean of its divisors is an integer number (101473680).

Almost surely, 2^1152403143 is an apocalyptic number.

1152403143 is a deficient number, since it is larger than the sum of its proper divisors (471175737).

1152403143 is a wasteful number, since it uses less digits than its factorization.

1152403143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77158.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1152403143 is about 33947.0638347413. The cubic root of 1152403143 is about 1048.4188273973.

Adding to 1152403143 its reverse (3413042511), we get a palindrome (4565445654).

The spelling of 1152403143 in words is "one billion, one hundred fifty-two million, four hundred three thousand, one hundred forty-three".