1143412402 has 8 divisors (see below), whose sum is σ = 1871038512. Its totient is φ = 519732900.

The previous prime is 1143412397. The next prime is 1143412421. The reversal of 1143412402 is 2042143411.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 51973291 = 1143412402 / (1 + 1 + 4 + 3 + 4 + 1 + 2 + 4 + 0 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25986624 + ... + 25986667.

It is an arithmetic number, because the mean of its divisors is an integer number (233879814).

Almost surely, 2^1143412402 is an apocalyptic number.

1143412402 is a deficient number, since it is larger than the sum of its proper divisors (727626110).

1143412402 is a wasteful number, since it uses less digits than its factorization.

1143412402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51973304.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1143412402 is about 33814.3815853551. The cubic root of 1143412402 is about 1045.6852116477.

Adding to 1143412402 its reverse (2042143411), we get a palindrome (3185555813).

The spelling of 1143412402 in words is "one billion, one hundred forty-three million, four hundred twelve thousand, four hundred two".