143399239 has 8 divisors (see below), whose sum is σ = 144658800. Its totient is φ = 142143936.

The previous prime is 143399237. The next prime is 143399257. The reversal of 143399239 is 932993341.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143399239 - 2¹ = 143399237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143399195 and 143399204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143399231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127132 + ... + 128254.

It is an arithmetic number, because the mean of its divisors is an integer number (18082350).

Almost surely, 2^143399239 is an apocalyptic number.

143399239 is a deficient number, since it is larger than the sum of its proper divisors (1259561).

143399239 is a wasteful number, since it uses less digits than its factorization.

143399239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129.

The product of its digits is 157464, while the sum is 43.

The square root of 143399239 is about 11974.9421292965. The cubic root of 143399239 is about 523.4183557843.

The spelling of 143399239 in words is "one hundred forty-three million, three hundred ninety-nine thousand, two hundred thirty-nine".