143811343801 has 4 divisors (see below), whose sum is σ = 144119291472. Its totient is φ = 143503396132.

The previous prime is 143811343769. The next prime is 143811343813. The reversal of 143811343801 is 108343118341.

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: 108343118341 = 673 ⋅160985317.

It is a cyclic number.

It is not a de Polignac number, because 143811343801 - 2⁵ = 143811343769 is a prime.

It is a super-2 number, since 2×143811343801² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143811343831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153973135 + ... + 153974068.

It is an arithmetic number, because the mean of its divisors is an integer number (36029822868).

Almost surely, 2^143811343801 is an apocalyptic number.

It is an amenable number.

143811343801 is a deficient number, since it is larger than the sum of its proper divisors (307947671).

143811343801 is an equidigital number, since it uses as much as digits as its factorization.

143811343801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307947670.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 143811343801 in words is "one hundred forty-three billion, eight hundred eleven million, three hundred forty-three thousand, eight hundred one".