143220106405 has 16 divisors (see below), whose sum is σ = 173445902784. Its totient is φ = 113524295040.

The previous prime is 143220106391. The next prime is 143220106457. The reversal of 143220106405 is 504601022341.

It is not a de Polignac number, because 143220106405 - 2²³ = 143211717797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251137 + ... + 591193.

It is an arithmetic number, because the mean of its divisors is an integer number (10840368924).

Almost surely, 2^143220106405 is an apocalyptic number.

It is an amenable number.

143220106405 is a deficient number, since it is larger than the sum of its proper divisors (30225796379).

143220106405 is a wasteful number, since it uses less digits than its factorization.

143220106405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340836.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 143220106405 its reverse (504601022341), we get a palindrome (647821128746).

The spelling of 143220106405 in words is "one hundred forty-three billion, two hundred twenty million, one hundred six thousand, four hundred five".