1143502166 has 8 divisors (see below), whose sum is σ = 1715517480. Its totient is φ = 571663008.

The previous prime is 1143502163. The next prime is 1143502181. The reversal of 1143502166 is 6612053411.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143502163) 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 3 ways as a sum of consecutive naturals, for example, 26396 + ... + 54623.

It is an arithmetic number, because the mean of its divisors is an integer number (214439685).

Almost surely, 2^1143502166 is an apocalyptic number.

1143502166 is a deficient number, since it is larger than the sum of its proper divisors (572015314).

1143502166 is an equidigital number, since it uses as much as digits as its factorization.

1143502166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88078.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1143502166 is about 33815.7088643725. The cubic root of 1143502166 is about 1045.7125748956.

Adding to 1143502166 its reverse (6612053411), we get a palindrome (7755555577).

The spelling of 1143502166 in words is "one billion, one hundred forty-three million, five hundred two thousand, one hundred sixty-six".