1143220141 has 8 divisors (see below), whose sum is σ = 1311396480. Its totient is φ = 976258608.

The previous prime is 1143220121. The next prime is 1143220163. The reversal of 1143220141 is 1410223411.

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 1143220141 - 2⁵ = 1143220109 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 (1143220121) 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, 301681 + ... + 305446.

It is an arithmetic number, because the mean of its divisors is an integer number (163924560).

Almost surely, 2^1143220141 is an apocalyptic number.

It is an amenable number.

1143220141 is a deficient number, since it is larger than the sum of its proper divisors (168176339).

1143220141 is an equidigital number, since it uses as much as digits as its factorization.

1143220141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607403.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1143220141 is about 33811.5385778287. The cubic root of 1143220141 is about 1045.6265988633.

Adding to 1143220141 its reverse (1410223411), we get a palindrome (2553443552).

The spelling of 1143220141 in words is "one billion, one hundred forty-three million, two hundred twenty thousand, one hundred forty-one".