143131561244641 has 4 divisors (see below), whose sum is σ = 143134056317632. Its totient is φ = 143129066171652.

The previous prime is 143131561244627. The next prime is 143131561244647. The reversal of 143131561244641 is 146442165131341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 143131561244641 - 2¹⁹ = 143131560720353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143131561244591 and 143131561244600.

It is not an unprimeable number, because it can be changed into a prime (143131561244647) 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, 1247450445 + ... + 1247565178.

It is an arithmetic number, because the mean of its divisors is an integer number (35783514079408).

Almost surely, 2^{143131561244641} is an apocalyptic number.

It is an amenable number.

143131561244641 is a deficient number, since it is larger than the sum of its proper divisors (2495072991).

143131561244641 is an equidigital number, since it uses as much as digits as its factorization.

143131561244641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495072990.

The product of its digits is 829440, while the sum is 46.

The spelling of 143131561244641 in words is "one hundred forty-three trillion, one hundred thirty-one billion, five hundred sixty-one million, two hundred forty-four thousand, six hundred forty-one".