1143013402 has 16 divisors (see below), whose sum is σ = 1728558720. Its totient is φ = 566835552.

The previous prime is 1143013393. The next prime is 1143013409. The reversal of 1143013402 is 2043103411.

It is a super-2 number, since 2×1143013402² = 2612959274303227208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1143013402.

It is not an unprimeable number, because it can be changed into a prime (1143013409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553023 + ... + 555085.

It is an arithmetic number, because the mean of its divisors is an integer number (108034920).

Almost surely, 2^1143013402 is an apocalyptic number.

1143013402 is a deficient number, since it is larger than the sum of its proper divisors (585545318).

1143013402 is a wasteful number, since it uses less digits than its factorization.

1143013402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4197.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1143013402 is about 33808.4812140386. The cubic root of 1143013402 is about 1045.5635649757.

Adding to 1143013402 its reverse (2043103411), we get a palindrome (3186116813).

Subtracting 1143013402 from its reverse (2043103411), we obtain a palindrome (900090009).

The spelling of 1143013402 in words is "one billion, one hundred forty-three million, thirteen thousand, four hundred two".