143042202521 has 8 divisors (see below), whose sum is σ = 143137238400. Its totient is φ = 142947204400.

The previous prime is 143042202497. The next prime is 143042202559. The reversal of 143042202521 is 125202240341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143042202521 - 2¹⁴ = 143042186137 is a prime.

It is a super-2 number, since 2×143042202521² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (143042207521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12005315 + ... + 12017223.

It is an arithmetic number, because the mean of its divisors is an integer number (17892154800).

Almost surely, 2^143042202521 is an apocalyptic number.

It is an amenable number.

143042202521 is a deficient number, since it is larger than the sum of its proper divisors (95035879).

143042202521 is a wasteful number, since it uses less digits than its factorization.

143042202521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18879.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 143042202521 its reverse (125202240341), we get a palindrome (268244442862).

The spelling of 143042202521 in words is "one hundred forty-three billion, forty-two million, two hundred two thousand, five hundred twenty-one".