143242240022321 has 32 divisors (see below), whose sum is σ = 158383986768000. Its totient is φ = 128463698880000.

The previous prime is 143242240022281. The next prime is 143242240022347. The reversal of 143242240022321 is 123220042242341.

It is not a de Polignac number, because 143242240022321 - 2⁶ = 143242240022257 is a prime.

It is a super-2 number, since 2×143242240022321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143242240012321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 512063390 + ... + 512343048.

It is an arithmetic number, because the mean of its divisors is an integer number (4949499586500).

Almost surely, 2^{143242240022321} is an apocalyptic number.

143242240022321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

143242240022321 is a deficient number, since it is larger than the sum of its proper divisors (15141746745679).

143242240022321 is a wasteful number, since it uses less digits than its factorization.

143242240022321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281441.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 143242240022321 its reverse (123220042242341), we get a palindrome (266462282264662).

The spelling of 143242240022321 in words is "one hundred forty-three trillion, two hundred forty-two billion, two hundred forty million, twenty-two thousand, three hundred twenty-one".