143340429 has 4 divisors (see below), whose sum is σ = 191120576. Its totient is φ = 95560284.

The previous prime is 143340401. The next prime is 143340433. The reversal of 143340429 is 924043341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 143340429 - 2⁵ = 143340397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 143340396 and 143340405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143347429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23890069 + ... + 23890074.

It is an arithmetic number, because the mean of its divisors is an integer number (47780144).

Almost surely, 2^143340429 is an apocalyptic number.

It is an amenable number.

143340429 is a deficient number, since it is larger than the sum of its proper divisors (47780147).

143340429 is an equidigital number, since it uses as much as digits as its factorization.

143340429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47780146.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 143340429 is about 11972.4863332559. The cubic root of 143340429 is about 523.3467923117.

The spelling of 143340429 in words is "one hundred forty-three million, three hundred forty thousand, four hundred twenty-nine".