1143830825 has 24 divisors (see below), whose sum is σ = 1504326336. Its totient is φ = 860904000.

The previous prime is 1143830819. The next prime is 1143830893. The reversal of 1143830825 is 5280383411.

It is a happy number.

It is not a de Polignac number, because 1143830825 - 2¹⁰ = 1143829801 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18770 + ... + 51380.

It is an arithmetic number, because the mean of its divisors is an integer number (62680264).

Almost surely, 2^1143830825 is an apocalyptic number.

It is an amenable number.

1143830825 is a deficient number, since it is larger than the sum of its proper divisors (360495511).

1143830825 is a wasteful number, since it uses less digits than its factorization.

1143830825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32705 (or 32700 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1143830825 is about 33820.5680762461. The cubic root of 1143830825 is about 1045.8127495865.

The spelling of 1143830825 in words is "one billion, one hundred forty-three million, eight hundred thirty thousand, eight hundred twenty-five".