143551224025381 has 2 divisors, whose sum is σ = 143551224025382. Its totient is φ = 143551224025380.

The previous prime is 143551224025379. The next prime is 143551224025499. The reversal of 143551224025381 is 183520422155341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105878131884100 + 37673092141281 = 10289710^2 + 6137841^2 .

It is a cyclic number.

It is not a de Polignac number, because 143551224025381 - 2¹ = 143551224025379 is a prime.

It is a super-2 number, since 2×143551224025381² (a number of 29 digits) contains 22 as substring.

Together with 143551224025379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143551224025351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71775612012690 + 71775612012691.

It is an arithmetic number, because the mean of its divisors is an integer number (71775612012691).

Almost surely, 2^{143551224025381} is an apocalyptic number.

It is an amenable number.

143551224025381 is a deficient number, since it is larger than the sum of its proper divisors (1).

143551224025381 is an equidigital number, since it uses as much as digits as its factorization.

143551224025381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152000, while the sum is 46.

The spelling of 143551224025381 in words is "one hundred forty-three trillion, five hundred fifty-one billion, two hundred twenty-four million, twenty-five thousand, three hundred eighty-one".