143203342 has 16 divisors (see below), whose sum is σ = 239412240. Its totient is φ = 63842688.

The previous prime is 143203327. The next prime is 143203349. The reversal of 143203342 is 243302341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143203349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110193 + ... + 111484.

It is an arithmetic number, because the mean of its divisors is an integer number (14963265).

Almost surely, 2^143203342 is an apocalyptic number.

143203342 is a deficient number, since it is larger than the sum of its proper divisors (96208898).

143203342 is a wasteful number, since it uses less digits than its factorization.

143203342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221715.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 143203342 is about 11966.7598789313. The cubic root of 143203342 is about 523.1799007474.

Adding to 143203342 its reverse (243302341), we get a palindrome (386505683).

The spelling of 143203342 in words is "one hundred forty-three million, two hundred three thousand, three hundred forty-two".