1143172341 has 12 divisors (see below), whose sum is σ = 1652210560. Its totient is φ = 761671080.

The previous prime is 1143172321. The next prime is 1143172367. The reversal of 1143172341 is 1432713411.

1143172341 is a `hidden beast` number, since 1 + 1 + 4 + 317 + 2 + 341 = 666.

It is not a de Polignac number, because 1143172341 - 2²¹ = 1141075189 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 (1143172321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20275 + ... + 51936.

Almost surely, 2^1143172341 is an apocalyptic number.

It is an amenable number.

1143172341 is a deficient number, since it is larger than the sum of its proper divisors (509038219).

1143172341 is a wasteful number, since it uses less digits than its factorization.

1143172341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73976 (or 73973 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1143172341 is about 33810.8317111543. The cubic root of 1143172341 is about 1045.6120255114.

Adding to 1143172341 its reverse (1432713411), we get a palindrome (2575885752).

The spelling of 1143172341 in words is "one billion, one hundred forty-three million, one hundred seventy-two thousand, three hundred forty-one".