143442121407 has 32 divisors (see below), whose sum is σ = 214450815936. Its totient is φ = 84707251200.

The previous prime is 143442121397. The next prime is 143442121439. The reversal of 143442121407 is 704121244341.

It is a happy number.

143442121407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 143442121407 - 2⁷ = 143442121279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143442121477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 637768 + ... + 832845.

It is an arithmetic number, because the mean of its divisors is an integer number (6701587998).

Almost surely, 2^143442121407 is an apocalyptic number.

143442121407 is a deficient number, since it is larger than the sum of its proper divisors (71008694529).

143442121407 is a wasteful number, since it uses less digits than its factorization.

143442121407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470731.

The product of its (nonzero) digits is 21504, while the sum is 33.

Adding to 143442121407 its reverse (704121244341), we get a palindrome (847563365748).

The spelling of 143442121407 in words is "one hundred forty-three billion, four hundred forty-two million, one hundred twenty-one thousand, four hundred seven".