143111413 has 2 divisors, whose sum is σ = 143111414. Its totient is φ = 143111412.

The previous prime is 143111399. The next prime is 143111453. The reversal of 143111413 is 314111341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142993764 + 117649 = 11958^2 + 343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143111413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143111453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71555706 + 71555707.

It is an arithmetic number, because the mean of its divisors is an integer number (71555707).

Almost surely, 2^143111413 is an apocalyptic number.

It is an amenable number.

143111413 is a deficient number, since it is larger than the sum of its proper divisors (1).

143111413 is an equidigital number, since it uses as much as digits as its factorization.

143111413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 19.

The square root of 143111413 is about 11962.9182476518. The cubic root of 143111413 is about 523.0679254735.

Adding to 143111413 its reverse (314111341), we get a palindrome (457222754).

It can be divided in two parts, 143 and 111413, that added together give a square (111556 = 334²).

The spelling of 143111413 in words is "one hundred forty-three million, one hundred eleven thousand, four hundred thirteen".