143189342 has 8 divisors (see below), whose sum is σ = 218424600. Its totient is φ = 70381144.

The previous prime is 143189323. The next prime is 143189353. The reversal of 143189342 is 243981341.

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

It is a congruent number.

It is an unprimeable number.

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, 606617 + ... + 606852.

It is an arithmetic number, because the mean of its divisors is an integer number (27303075).

Almost surely, 2^143189342 is an apocalyptic number.

143189342 is a deficient number, since it is larger than the sum of its proper divisors (75235258).

143189342 is a wasteful number, since it uses less digits than its factorization.

143189342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213530.

The product of its digits is 20736, while the sum is 35.

The square root of 143189342 is about 11966.1749109730. The cubic root of 143189342 is about 523.1628509654.

The spelling of 143189342 in words is "one hundred forty-three million, one hundred eighty-nine thousand, three hundred forty-two".