143724107381 has 2 divisors, whose sum is σ = 143724107382. Its totient is φ = 143724107380.

The previous prime is 143724107323. The next prime is 143724107459. The reversal of 143724107381 is 183701427341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100895804881 + 42828302500 = 317641^2 + 206950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143724107381 is a prime.

It is a super-2 number, since 2×143724107381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143724107311) 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, 71862053690 + 71862053691.

It is an arithmetic number, because the mean of its divisors is an integer number (71862053691).

Almost surely, 2^143724107381 is an apocalyptic number.

It is an amenable number.

143724107381 is a deficient number, since it is larger than the sum of its proper divisors (1).

143724107381 is an equidigital number, since it uses as much as digits as its factorization.

143724107381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 143724107381 in words is "one hundred forty-three billion, seven hundred twenty-four million, one hundred seven thousand, three hundred eighty-one".