1143552327 has 12 divisors (see below), whose sum is σ = 1554059304. Its totient is φ = 747978400.

The previous prime is 1143552313. The next prime is 1143552329. The reversal of 1143552327 is 7232553411.

It is not a de Polignac number, because 1143552327 - 2¹⁹ = 1143028039 is a prime.

It is a super-2 number, since 2×1143552327² = 2615423849174229858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143552329) by changing a digit.

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, 59424 + ... + 76277.

It is an arithmetic number, because the mean of its divisors is an integer number (129504942).

Almost surely, 2^1143552327 is an apocalyptic number.

1143552327 is a deficient number, since it is larger than the sum of its proper divisors (410506977).

1143552327 is an equidigital number, since it uses as much as digits as its factorization.

1143552327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135810 (or 135757 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 1143552327 is about 33816.4505381626. The cubic root of 1143552327 is about 1045.7278651222.

The spelling of 1143552327 in words is "one billion, one hundred forty-three million, five hundred fifty-two thousand, three hundred twenty-seven".