1143552433 has 8 divisors (see below), whose sum is σ = 1215787968. Its totient is φ = 1073193264.

The previous prime is 1143552391. The next prime is 1143552437. The reversal of 1143552433 is 3342553411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143552433 is a prime.

It is a super-4 number, since 4×1143552433⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1143552395 and 1143552404.

It is not an unprimeable number, because it can be changed into a prime (1143552437) 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 7 ways as a sum of consecutive naturals, for example, 467835 + ... + 470272.

It is an arithmetic number, because the mean of its divisors is an integer number (151973496).

Almost surely, 2^1143552433 is an apocalyptic number.

It is an amenable number.

1143552433 is a deficient number, since it is larger than the sum of its proper divisors (72235535).

1143552433 is an equidigital number, since it uses as much as digits as its factorization.

1143552433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938183.

The product of its digits is 21600, while the sum is 31.

The square root of 1143552433 is about 33816.4521054471. The cubic root of 1143552433 is about 1045.7278974329.

The spelling of 1143552433 in words is "one billion, one hundred forty-three million, five hundred fifty-two thousand, four hundred thirty-three".