143826413 has 2 divisors, whose sum is σ = 143826414. Its totient is φ = 143826412.

The previous prime is 143826407. The next prime is 143826461. The reversal of 143826413 is 314628341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120187369 + 23639044 = 10963^2 + 4862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143826413 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143826413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143826313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71913206 + 71913207.

It is an arithmetic number, because the mean of its divisors is an integer number (71913207).

Almost surely, 2^143826413 is an apocalyptic number.

It is an amenable number.

143826413 is a deficient number, since it is larger than the sum of its proper divisors (1).

143826413 is an equidigital number, since it uses as much as digits as its factorization.

143826413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 143826413 is about 11992.7650272988. The cubic root of 143826413 is about 523.9375799722.

The spelling of 143826413 in words is "one hundred forty-three million, eight hundred twenty-six thousand, four hundred thirteen".