143343144021 has 32 divisors (see below), whose sum is σ = 238712721408. Its totient is φ = 74330216640.

The previous prime is 143343144011. The next prime is 143343144029. The reversal of 143343144021 is 120441343341.

It is not a de Polignac number, because 143343144021 - 2¹³ = 143343135829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143343144021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143343144029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428365 + ... + 685698.

It is an arithmetic number, because the mean of its divisors is an integer number (7459772544).

Almost surely, 2^143343144021 is an apocalyptic number.

143343144021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

143343144021 is a deficient number, since it is larger than the sum of its proper divisors (95369577387).

143343144021 is a wasteful number, since it uses less digits than its factorization.

143343144021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114641.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 143343144021 its reverse (120441343341), we get a palindrome (263784487362).

The spelling of 143343144021 in words is "one hundred forty-three billion, three hundred forty-three million, one hundred forty-four thousand, twenty-one".