656141143 has 4 divisors (see below), whose sum is σ = 749875600. Its totient is φ = 562406688.

The previous prime is 656141111. The next prime is 656141159. The reversal of 656141143 is 341141656.

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

It is a cyclic number.

It is not a de Polignac number, because 656141143 - 2⁵ = 656141111 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 (656141243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46867218 + ... + 46867231.

It is an arithmetic number, because the mean of its divisors is an integer number (187468900).

Almost surely, 2^656141143 is an apocalyptic number.

656141143 is a deficient number, since it is larger than the sum of its proper divisors (93734457).

656141143 is an equidigital number, since it uses as much as digits as its factorization.

656141143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93734456.

The product of its digits is 8640, while the sum is 31.

The square root of 656141143 is about 25615.2521556982. The cubic root of 656141143 is about 868.9586090621.

Adding to 656141143 its reverse (341141656), we get a palindrome (997282799).

The spelling of 656141143 in words is "six hundred fifty-six million, one hundred forty-one thousand, one hundred forty-three".