1143049829 has 4 divisors (see below), whose sum is σ = 1143660684. Its totient is φ = 1142438976.

The previous prime is 1143049807. The next prime is 1143049849. The reversal of 1143049829 is 9289403411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 846693604 + 296356225 = 29098^2 + 17215^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143049829 - 2⁸ = 1143049573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143049849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302612 + ... + 306365.

It is an arithmetic number, because the mean of its divisors is an integer number (285915171).

Almost surely, 2^1143049829 is an apocalyptic number.

It is an amenable number.

1143049829 is a deficient number, since it is larger than the sum of its proper divisors (610855).

1143049829 is an equidigital number, since it uses as much as digits as its factorization.

1143049829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610854.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 1143049829 is about 33809.0199355143. The cubic root of 1143049829 is about 1045.5746719727.

The spelling of 1143049829 in words is "one billion, one hundred forty-three million, forty-nine thousand, eight hundred twenty-nine".