143132213402421 has 16 divisors (see below), whose sum is σ = 195561776457600. Its totient is φ = 93063589620480.

The previous prime is 143132213402417. The next prime is 143132213402441. The reversal of 143132213402421 is 124204312231341.

It is not a de Polignac number, because 143132213402421 - 2² = 143132213402417 is a prime.

It is a super-2 number, since 2×143132213402421² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143132213402441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190454185 + ... + 191204238.

It is an arithmetic number, because the mean of its divisors is an integer number (12222611028600).

Almost surely, 2^{143132213402421} is an apocalyptic number.

It is an amenable number.

143132213402421 is a deficient number, since it is larger than the sum of its proper divisors (52429563055179).

143132213402421 is a wasteful number, since it uses less digits than its factorization.

143132213402421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381661516.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 143132213402421 its reverse (124204312231341), we get a palindrome (267336525633762).

The spelling of 143132213402421 in words is "one hundred forty-three trillion, one hundred thirty-two billion, two hundred thirteen million, four hundred two thousand, four hundred twenty-one".