1143433429 has 2 divisors, whose sum is σ = 1143433430. Its totient is φ = 1143433428.

The previous prime is 1143433409. The next prime is 1143433441. The reversal of 1143433429 is 9243343411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 989102500 + 154330929 = 31450^2 + 12423^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143433429 - 2¹³ = 1143425237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1143433394 and 1143433403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143433409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571716714 + 571716715.

It is an arithmetic number, because the mean of its divisors is an integer number (571716715).

Almost surely, 2^1143433429 is an apocalyptic number.

It is an amenable number.

1143433429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143433429 is an equidigital number, since it uses as much as digits as its factorization.

1143433429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The square root of 1143433429 is about 33814.6925019288. The cubic root of 1143433429 is about 1045.6916215508.

The spelling of 1143433429 in words is "one billion, one hundred forty-three million, four hundred thirty-three thousand, four hundred twenty-nine".