143421004302 has 16 divisors (see below), whose sum is σ = 286855226112. Its totient is φ = 47804798520.

The previous prime is 143421004301. The next prime is 143421004313. The reversal of 143421004302 is 203400124341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143421004301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406774 + ... + 672537.

It is an arithmetic number, because the mean of its divisors is an integer number (17928451632).

Almost surely, 2^143421004302 is an apocalyptic number.

143421004302 is an abundant number, since it is smaller than the sum of its proper divisors (143434221810).

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

143421004302 is a wasteful number, since it uses less digits than its factorization.

143421004302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101463.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 143421004302 its reverse (203400124341), we get a palindrome (346821128643).

The spelling of 143421004302 in words is "one hundred forty-three billion, four hundred twenty-one million, four thousand, three hundred two".