143220343434 has 32 divisors (see below), whose sum is σ = 328089916800. Its totient is φ = 40828956672.

The previous prime is 143220343417. The next prime is 143220343471. The reversal of 143220343434 is 434343022341.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 143220343395 and 143220343404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3778479 + ... + 3816194.

It is an arithmetic number, because the mean of its divisors is an integer number (10252809900).

Almost surely, 2^143220343434 is an apocalyptic number.

143220343434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

143220343434 is an abundant number, since it is smaller than the sum of its proper divisors (184869573366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143220343434 is a wasteful number, since it uses less digits than its factorization.

143220343434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7595134.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 143220343434 its reverse (434343022341), we get a palindrome (577563365775).

The spelling of 143220343434 in words is "one hundred forty-three billion, two hundred twenty million, three hundred forty-three thousand, four hundred thirty-four".