143442021342 has 48 divisors (see below), whose sum is σ = 297240456240. Its totient is φ = 46146180864.

The previous prime is 143442021263. The next prime is 143442021343. The reversal of 143442021342 is 243120244341.

It is a super-2 number, since 2×143442021342² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143442021343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17217834 + ... + 17226162.

It is an arithmetic number, because the mean of its divisors is an integer number (6192509505).

Almost surely, 2^143442021342 is an apocalyptic number.

143442021342 is an abundant number, since it is smaller than the sum of its proper divisors (153798434898).

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

143442021342 is a wasteful number, since it uses less digits than its factorization.

143442021342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11805 (or 11776 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 143442021342 its reverse (243120244341), we get a palindrome (386562265683).

The spelling of 143442021342 in words is "one hundred forty-three billion, four hundred forty-two million, twenty-one thousand, three hundred forty-two".