143490029 has 2 divisors, whose sum is σ = 143490030. Its totient is φ = 143490028.

The previous prime is 143490023. The next prime is 143490049. The reversal of 143490029 is 920094341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98465929 + 45024100 = 9923^2 + 6710^2 .

It is an emirp because it is prime and its reverse (920094341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143490029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 143489977 and 143490004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143490023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71745014 + 71745015.

It is an arithmetic number, because the mean of its divisors is an integer number (71745015).

Almost surely, 2^143490029 is an apocalyptic number.

It is an amenable number.

143490029 is a deficient number, since it is larger than the sum of its proper divisors (1).

143490029 is an equidigital number, since it uses as much as digits as its factorization.

143490029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 143490029 is about 11978.7323619822. The cubic root of 143490029 is about 523.5287959963.

The spelling of 143490029 in words is "one hundred forty-three million, four hundred ninety thousand, twenty-nine".