143630122042621 has 2 divisors, whose sum is σ = 143630122042622. Its totient is φ = 143630122042620.

The previous prime is 143630122042597. The next prime is 143630122042643. The reversal of 143630122042621 is 126240221036341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123405215264100 + 20224906778521 = 11108790^2 + 4497211^2 .

It is a cyclic number.

It is not a de Polignac number, because 143630122042621 - 2⁹ = 143630122042109 is a prime.

It is a super-2 number, since 2×143630122042621² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143630122049621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71815061021310 + 71815061021311.

It is an arithmetic number, because the mean of its divisors is an integer number (71815061021311).

Almost surely, 2^{143630122042621} is an apocalyptic number.

It is an amenable number.

143630122042621 is a deficient number, since it is larger than the sum of its proper divisors (1).

143630122042621 is an equidigital number, since it uses as much as digits as its factorization.

143630122042621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 37.

Adding to 143630122042621 its reverse (126240221036341), we get a palindrome (269870343078962).

The spelling of 143630122042621 in words is "one hundred forty-three trillion, six hundred thirty billion, one hundred twenty-two million, forty-two thousand, six hundred twenty-one".