1143140341 has 4 divisors (see below), whose sum is σ = 1306446112. Its totient is φ = 979834572.

The previous prime is 1143140329. The next prime is 1143140347. The reversal of 1143140341 is 1430413411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1430413411 = 7 ⋅204344773.

It is a cyclic number.

It is not a de Polignac number, because 1143140341 - 2¹³ = 1143132149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143140347) 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 3 ways as a sum of consecutive naturals, for example, 81652875 + ... + 81652888.

It is an arithmetic number, because the mean of its divisors is an integer number (326611528).

Almost surely, 2^1143140341 is an apocalyptic number.

It is an amenable number.

1143140341 is a deficient number, since it is larger than the sum of its proper divisors (163305771).

1143140341 is an equidigital number, since it uses as much as digits as its factorization.

1143140341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163305770.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1143140341 is about 33810.3584867123. The cubic root of 1143140341 is about 1045.6022690656.

Adding to 1143140341 its reverse (1430413411), we get a palindrome (2573553752).

The spelling of 1143140341 in words is "one billion, one hundred forty-three million, one hundred forty thousand, three hundred forty-one".