1143342429 has 32 divisors (see below), whose sum is σ = 1679408640. Its totient is φ = 688665600.

The previous prime is 1143342419. The next prime is 1143342449. The reversal of 1143342429 is 9242433411.

It is not a de Polignac number, because 1143342429 - 2⁸ = 1143342173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1143342429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143342419) 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, 265564 + ... + 269834.

It is an arithmetic number, because the mean of its divisors is an integer number (52481520).

Almost surely, 2^1143342429 is an apocalyptic number.

It is an amenable number.

1143342429 is a deficient number, since it is larger than the sum of its proper divisors (536066211).

1143342429 is a wasteful number, since it uses less digits than its factorization.

1143342429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501.

The product of its digits is 20736, while the sum is 33.

The square root of 1143342429 is about 33813.3469062144. The cubic root of 1143342429 is about 1045.6638804045.

The spelling of 1143342429 in words is "one billion, one hundred forty-three million, three hundred forty-two thousand, four hundred twenty-nine".