143331152650421 has 2 divisors, whose sum is σ = 143331152650422. Its totient is φ = 143331152650420.

The previous prime is 143331152650397. The next prime is 143331152650457. The reversal of 143331152650421 is 124056251133341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111278004247921 + 32053148402500 = 10548839^2 + 5661550^2 .

It is a cyclic number.

It is not a de Polignac number, because 143331152650421 - 2⁴⁶ = 72962408472757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143331152650471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71665576325210 + 71665576325211.

It is an arithmetic number, because the mean of its divisors is an integer number (71665576325211).

Almost surely, 2^{143331152650421} is an apocalyptic number.

It is an amenable number.

143331152650421 is a deficient number, since it is larger than the sum of its proper divisors (1).

143331152650421 is an equidigital number, since it uses as much as digits as its factorization.

143331152650421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 143331152650421 in words is "one hundred forty-three trillion, three hundred thirty-one billion, one hundred fifty-two million, six hundred fifty thousand, four hundred twenty-one".