1143330797 has 16 divisors (see below), whose sum is σ = 1351564032. Its totient is φ = 946788480.

The previous prime is 1143330779. The next prime is 1143330803. The reversal of 1143330797 is 7970333411.

It is a cyclic number.

It is not a de Polignac number, because 1143330797 - 2⁸ = 1143330541 is a prime.

It is a super-2 number, since 2×1143330797² = 2614410622737310418, 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 1143330797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143330707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10223 + ... + 48899.

It is an arithmetic number, because the mean of its divisors is an integer number (84472752).

Almost surely, 2^1143330797 is an apocalyptic number.

It is an amenable number.

1143330797 is a deficient number, since it is larger than the sum of its proper divisors (208233235).

1143330797 is a wasteful number, since it uses less digits than its factorization.

1143330797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38828.

The product of its (nonzero) digits is 47628, while the sum is 38.

The square root of 1143330797 is about 33813.1749026914. The cubic root of 1143330797 is about 1045.6603343093.

The spelling of 1143330797 in words is "one billion, one hundred forty-three million, three hundred thirty thousand, seven hundred ninety-seven".