143404221061601 has 8 divisors (see below), whose sum is σ = 145426296456000. Its totient is φ = 141382209490480.

The previous prime is 143404221061561. The next prime is 143404221061627. The reversal of 143404221061601 is 106160122404341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143404221061601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143404221061501) 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, 11421326 + ... + 20426823.

It is an arithmetic number, because the mean of its divisors is an integer number (18178287057000).

Almost surely, 2^{143404221061601} is an apocalyptic number.

It is an amenable number.

143404221061601 is a deficient number, since it is larger than the sum of its proper divisors (2022075394399).

143404221061601 is an equidigital number, since it uses as much as digits as its factorization.

143404221061601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31911639.

The product of its (nonzero) digits is 27648, while the sum is 35.

Adding to 143404221061601 its reverse (106160122404341), we get a palindrome (249564343465942).

The spelling of 143404221061601 in words is "one hundred forty-three trillion, four hundred four billion, two hundred twenty-one million, sixty-one thousand, six hundred one".