143311429 has 2 divisors, whose sum is σ = 143311430. Its totient is φ = 143311428.

The previous prime is 143311409. The next prime is 143311439. The reversal of 143311429 is 924113341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119399329 + 23912100 = 10927^2 + 4890^2 .

It is a cyclic number.

It is not a de Polignac number, because 143311429 - 2²¹ = 141214277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143311397 and 143311406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143311409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71655714 + 71655715.

It is an arithmetic number, because the mean of its divisors is an integer number (71655715).

Almost surely, 2^143311429 is an apocalyptic number.

It is an amenable number.

143311429 is a deficient number, since it is larger than the sum of its proper divisors (1).

143311429 is an equidigital number, since it uses as much as digits as its factorization.

143311429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 143311429 is about 11971.2751618196. The cubic root of 143311429 is about 523.3114961971.

The spelling of 143311429 in words is "one hundred forty-three million, three hundred eleven thousand, four hundred twenty-nine".