143641429 has 2 divisors, whose sum is σ = 143641430. Its totient is φ = 143641428.

The previous prime is 143641423. The next prime is 143641441. The reversal of 143641429 is 924146341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129914404 + 13727025 = 11398^2 + 3705^2 .

It is a cyclic number.

It is not a de Polignac number, because 143641429 - 2¹⁹ = 143117141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143641394 and 143641403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143641423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71820714 + 71820715.

It is an arithmetic number, because the mean of its divisors is an integer number (71820715).

Almost surely, 2^143641429 is an apocalyptic number.

It is an amenable number.

143641429 is a deficient number, since it is larger than the sum of its proper divisors (1).

143641429 is an equidigital number, since it uses as much as digits as its factorization.

143641429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 143641429 is about 11985.0502293482. The cubic root of 143641429 is about 523.7128608157.

The spelling of 143641429 in words is "one hundred forty-three million, six hundred forty-one thousand, four hundred twenty-nine".