1142334143 has 8 divisors (see below), whose sum is σ = 1148436912. Its totient is φ = 1136241216.

The previous prime is 1142334119. The next prime is 1142334163. The reversal of 1142334143 is 3414332411.

It is a happy number.

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 1142334143 - 2⁶ = 1142334079 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 (1142334103) 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, 374621 + ... + 377657.

It is an arithmetic number, because the mean of its divisors is an integer number (143554614).

Almost surely, 2^1142334143 is an apocalyptic number.

1142334143 is a deficient number, since it is larger than the sum of its proper divisors (6102769).

1142334143 is a wasteful number, since it uses less digits than its factorization.

1142334143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4921.

The product of its digits is 3456, while the sum is 26.

The square root of 1142334143 is about 33798.4340317714. The cubic root of 1142334143 is about 1045.3564081182.

Adding to 1142334143 its reverse (3414332411), we get a palindrome (4556666554).

The spelling of 1142334143 in words is "one billion, one hundred forty-two million, three hundred thirty-four thousand, one hundred forty-three".