1143005356 has 12 divisors (see below), whose sum is σ = 2001646192. Its totient is φ = 571106448.

The previous prime is 1143005341. The next prime is 1143005393. The reversal of 1143005356 is 6535003411.

It is a super-2 number, since 2×1143005356² = 2612922487689373472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92520 + ... + 104143.

Almost surely, 2^1143005356 is an apocalyptic number.

It is an amenable number.

1143005356 is a deficient number, since it is larger than the sum of its proper divisors (858640836).

1143005356 is a wasteful number, since it uses less digits than its factorization.

1143005356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198120 (or 198118 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 1143005356 is about 33808.3622200189. The cubic root of 1143005356 is about 1045.5611116291.

Adding to 1143005356 its reverse (6535003411), we get a palindrome (7678008767).

The spelling of 1143005356 in words is "one billion, one hundred forty-three million, five thousand, three hundred fifty-six".