1153324143 has 16 divisors (see below), whose sum is σ = 1709240160. Its totient is φ = 768607488.

The previous prime is 1153324141. The next prime is 1153324157. The reversal of 1153324143 is 3414233511.

It is a happy number.

It is not a de Polignac number, because 1153324143 - 2¹ = 1153324141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153324141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93471 + ... + 105087.

It is an arithmetic number, because the mean of its divisors is an integer number (106827510).

Almost surely, 2^1153324143 is an apocalyptic number.

1153324143 is a deficient number, since it is larger than the sum of its proper divisors (555916017).

1153324143 is a wasteful number, since it uses less digits than its factorization.

1153324143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15303 (or 15297 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1153324143 is about 33960.6263634816. The cubic root of 1153324143 is about 1048.6980516214.

Adding to 1153324143 its reverse (3414233511), we get a palindrome (4567557654).

The spelling of 1153324143 in words is "one billion, one hundred fifty-three million, three hundred twenty-four thousand, one hundred forty-three".