143393239 has 8 divisors (see below), whose sum is σ = 156883968. Its totient is φ = 129978360.

The previous prime is 143393221. The next prime is 143393251. The reversal of 143393239 is 932393341.

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 143393239 - 2⁷ = 143393111 is a prime.

It is a super-2 number, since 2×143393239² = 41123241981822242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143393198 and 143393207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143393039) 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, 14967 + ... + 22600.

It is an arithmetic number, because the mean of its divisors is an integer number (19610496).

Almost surely, 2^143393239 is an apocalyptic number.

143393239 is a deficient number, since it is larger than the sum of its proper divisors (13490729).

143393239 is a wasteful number, since it uses less digits than its factorization.

143393239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37925.

The product of its digits is 52488, while the sum is 37.

The square root of 143393239 is about 11974.6916035445. The cubic root of 143393239 is about 523.4110555272.

It can be divided in two parts, 1433932 and 39, that added together give a triangular number (1433971 = T₁₆₉₃).

The spelling of 143393239 in words is "one hundred forty-three million, three hundred ninety-three thousand, two hundred thirty-nine".