143243142 has 32 divisors (see below), whose sum is σ = 327812352. Its totient is φ = 40876704.

The previous prime is 143243141. The next prime is 143243171. The reversal of 143243142 is 241342341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143243141) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 45648 + ... + 48684.

It is an arithmetic number, because the mean of its divisors is an integer number (10244136).

Almost surely, 2^143243142 is an apocalyptic number.

143243142 is an abundant number, since it is smaller than the sum of its proper divisors (184569210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143243142 is a wasteful number, since it uses less digits than its factorization.

143243142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172.

The product of its digits is 2304, while the sum is 24.

The square root of 143243142 is about 11968.4227030967. The cubic root of 143243142 is about 523.2283647730.

Adding to 143243142 its reverse (241342341), we get a palindrome (384585483).

The spelling of 143243142 in words is "one hundred forty-three million, two hundred forty-three thousand, one hundred forty-two".