1143362268 has 36 divisors (see below), whose sum is σ = 3060177120. Its totient is φ = 358701696.

The previous prime is 1143362237. The next prime is 1143362287. The reversal of 1143362268 is 8622633411.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1143362268² = 2614554551772207648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 933508 + ... + 934731.

It is an arithmetic number, because the mean of its divisors is an integer number (85004920).

Almost surely, 2^1143362268 is an apocalyptic number.

1143362268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1143362268 is an abundant number, since it is smaller than the sum of its proper divisors (1916814852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143362268 is a wasteful number, since it uses less digits than its factorization.

1143362268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868266 (or 1868261 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 1143362268 is about 33813.6402654313. The cubic root of 1143362268 is about 1045.6699284047.

Adding to 1143362268 its reverse (8622633411), we get a palindrome (9765995679).

The spelling of 1143362268 in words is "one billion, one hundred forty-three million, three hundred sixty-two thousand, two hundred sixty-eight".