143241662441 has 4 divisors (see below), whose sum is σ = 149469560832. Its totient is φ = 137013764052.

The previous prime is 143241662407. The next prime is 143241662449. The reversal of 143241662441 is 144266142341.

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, and also an emirpimes, since its reverse is a distinct semiprime: 144266142341 = 401 ⋅359765941.

It is a cyclic number.

It is not a de Polignac number, because 143241662441 - 2²² = 143237468137 is a prime.

It is a super-2 number, since 2×143241662441² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143241662395 and 143241662404.

It is not an unprimeable number, because it can be changed into a prime (143241662449) 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, 3113949161 + ... + 3113949206.

It is an arithmetic number, because the mean of its divisors is an integer number (37367390208).

Almost surely, 2^143241662441 is an apocalyptic number.

It is an amenable number.

143241662441 is a deficient number, since it is larger than the sum of its proper divisors (6227898391).

143241662441 is an equidigital number, since it uses as much as digits as its factorization.

143241662441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6227898390.

The product of its digits is 110592, while the sum is 38.

The spelling of 143241662441 in words is "one hundred forty-three billion, two hundred forty-one million, six hundred sixty-two thousand, four hundred forty-one".