1143433141 has 8 divisors (see below), whose sum is σ = 1252442520. Its totient is φ = 1039062528.

The previous prime is 1143433139. The next prime is 1143433219. The reversal of 1143433141 is 1413343411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 75516100 + 1067917041 = 8690^2 + 32679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1143433141 - 2¹ = 1143433139 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 (1143433241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159176 + ... + 1160161.

It is an arithmetic number, because the mean of its divisors is an integer number (156555315).

Almost surely, 2^1143433141 is an apocalyptic number.

It is an amenable number.

1143433141 is a deficient number, since it is larger than the sum of its proper divisors (109009379).

1143433141 is a wasteful number, since it uses less digits than its factorization.

1143433141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319383.

The product of its digits is 1728, while the sum is 25.

The square root of 1143433141 is about 33814.6882434246. The cubic root of 1143433141 is about 1045.6915337570.

Adding to 1143433141 its reverse (1413343411), we get a palindrome (2556776552).

The spelling of 1143433141 in words is "one billion, one hundred forty-three million, four hundred thirty-three thousand, one hundred forty-one".