143341240421 has 4 divisors (see below), whose sum is σ = 143386937292. Its totient is φ = 143295543552.

The previous prime is 143341240403. The next prime is 143341240439. The reversal of 143341240421 is 124042143341.

143341240421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124042143341 = 23 ⋅5393136667.

It is an interprime number because it is at equal distance from previous prime (143341240403) and next prime (143341240439).

It can be written as a sum of positive squares in 2 ways, for example, as 84382116196 + 58959124225 = 290486^2 + 242815^2 .

It is a cyclic number.

It is not a de Polignac number, because 143341240421 - 2¹⁰ = 143341239397 is a prime.

It is a super-2 number, since 2×143341240421² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143341240321) 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 3 ways as a sum of consecutive naturals, for example, 22843730 + ... + 22850003.

It is an arithmetic number, because the mean of its divisors is an integer number (35846734323).

Almost surely, 2^143341240421 is an apocalyptic number.

It is an amenable number.

143341240421 is a deficient number, since it is larger than the sum of its proper divisors (45696871).

143341240421 is an equidigital number, since it uses as much as digits as its factorization.

143341240421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45696870.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 143341240421 its reverse (124042143341), we get a palindrome (267383383762).

The spelling of 143341240421 in words is "one hundred forty-three billion, three hundred forty-one million, two hundred forty thousand, four hundred twenty-one".