1143142341 has 32 divisors (see below), whose sum is σ = 1688708736. Its totient is φ = 682080000.

The previous prime is 1143142331. The next prime is 1143142349. The reversal of 1143142341 is 1432413411.

It is not a de Polignac number, because 1143142341 - 2¹⁰ = 1143141317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143142349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 655731 + ... + 657471.

It is an arithmetic number, because the mean of its divisors is an integer number (52772148).

Almost surely, 2^1143142341 is an apocalyptic number.

1143142341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1143142341 is a deficient number, since it is larger than the sum of its proper divisors (545566395).

1143142341 is a wasteful number, since it uses less digits than its factorization.

1143142341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053.

The product of its digits is 1152, while the sum is 24.

The square root of 1143142341 is about 33810.3880634340. The cubic root of 1143142341 is about 1045.6028788488.

Adding to 1143142341 its reverse (1432413411), we get a palindrome (2575555752).

The spelling of 1143142341 in words is "one billion, one hundred forty-three million, one hundred forty-two thousand, three hundred forty-one".