1411143143 has 4 divisors (see below), whose sum is σ = 1413156888. Its totient is φ = 1409129400.

The previous prime is 1411143137. The next prime is 1411143163. The reversal of 1411143143 is 3413411141.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1411143143 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 (1411143133) 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, 1005821 + ... + 1007222.

It is an arithmetic number, because the mean of its divisors is an integer number (353289222).

Almost surely, 2^1411143143 is an apocalyptic number.

1411143143 is a deficient number, since it is larger than the sum of its proper divisors (2013745).

1411143143 is an equidigital number, since it uses as much as digits as its factorization.

1411143143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013744.

The product of its digits is 576, while the sum is 23.

The square root of 1411143143 is about 37565.1852517727. The cubic root of 1411143143 is about 1121.6491285542.

Adding to 1411143143 its reverse (3413411141), we get a palindrome (4824554284).

The spelling of 1411143143 in words is "one billion, four hundred eleven million, one hundred forty-three thousand, one hundred forty-three".