1141442143 has 8 divisors (see below), whose sum is σ = 1161513360. Its totient is φ = 1121395200.

The previous prime is 1141442131. The next prime is 1141442149. The reversal of 1141442143 is 3412441411.

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 1141442143 - 2⁵ = 1141442111 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 (1141442149) 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, 107071 + ... + 117247.

It is an arithmetic number, because the mean of its divisors is an integer number (145189170).

Almost surely, 2^1141442143 is an apocalyptic number.

1141442143 is a deficient number, since it is larger than the sum of its proper divisors (20071217).

1141442143 is a wasteful number, since it uses less digits than its factorization.

1141442143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12137.

The product of its digits is 1536, while the sum is 25.

The square root of 1141442143 is about 33785.2355770979. The cubic root of 1141442143 is about 1045.0842458580.

Adding to 1141442143 its reverse (3412441411), we get a palindrome (4553883554).

The spelling of 1141442143 in words is "one billion, one hundred forty-one million, four hundred forty-two thousand, one hundred forty-three".