143420343 has 16 divisors (see below), whose sum is σ = 208922112. Its totient is φ = 86792000.

The previous prime is 143420323. The next prime is 143420357. The reversal of 143420343 is 343024341.

It is a cyclic number.

It is not a de Polignac number, because 143420343 - 2⁵ = 143420311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143420323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22258 + ... + 27968.

It is an arithmetic number, because the mean of its divisors is an integer number (13057632).

Almost surely, 2^143420343 is an apocalyptic number.

143420343 is a deficient number, since it is larger than the sum of its proper divisors (65501769).

143420343 is a wasteful number, since it uses less digits than its factorization.

143420343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6486.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 143420343 is about 11975.8232702391. The cubic root of 143420343 is about 523.4440316042. Note that the first 3 decimals are identical.

Adding to 143420343 its reverse (343024341), we get a palindrome (486444684).

The spelling of 143420343 in words is "one hundred forty-three million, four hundred twenty thousand, three hundred forty-three".