1143042433 has 8 divisors (see below), whose sum is σ = 1231713000. Its totient is φ = 1054478208.

The previous prime is 1143042409. The next prime is 1143042437. The reversal of 1143042433 is 3342403411.

It can be written as a sum of positive squares in 4 ways, for example, as 5531904 + 1137510529 = 2352^2 + 33727^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1143042433 - 2⁵ = 1143042401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1143042398 and 1143042407.

It is not an unprimeable number, because it can be changed into a prime (1143042437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3508 + ... + 47941.

It is an arithmetic number, because the mean of its divisors is an integer number (153964125).

Almost surely, 2^1143042433 is an apocalyptic number.

1143042433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1143042433 is a deficient number, since it is larger than the sum of its proper divisors (88670567).

1143042433 is a wasteful number, since it uses less digits than its factorization.

1143042433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53171.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1143042433 is about 33808.9105562424. The cubic root of 1143042433 is about 1045.5724168693.

Adding to 1143042433 its reverse (3342403411), we get a palindrome (4485445844).

The spelling of 1143042433 in words is "one billion, one hundred forty-three million, forty-two thousand, four hundred thirty-three".