143220341 has 8 divisors (see below), whose sum is σ = 161280768. Its totient is φ = 126000000.

The previous prime is 143220331. The next prime is 143220353. The reversal of 143220341 is 143022341.

143220341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-143220341 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143220331) 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, 209660 + ... + 210341.

It is an arithmetic number, because the mean of its divisors is an integer number (20160096).

Almost surely, 2^143220341 is an apocalyptic number.

143220341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

143220341 is a deficient number, since it is larger than the sum of its proper divisors (18060427).

143220341 is a wasteful number, since it uses less digits than its factorization.

143220341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420043.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 143220341 is about 11967.4701169462. The cubic root of 143220341 is about 523.2006013426.

Adding to 143220341 its reverse (143022341), we get a palindrome (286242682).

The spelling of 143220341 in words is "one hundred forty-three million, two hundred twenty thousand, three hundred forty-one".