143302142 has 16 divisors (see below), whose sum is σ = 230538960. Its totient is φ = 66598272.

The previous prime is 143302141. The next prime is 143302151. The reversal of 143302142 is 241203341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143302141) 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, 33563 + ... + 37590.

It is an arithmetic number, because the mean of its divisors is an integer number (14408685).

Almost surely, 2^143302142 is an apocalyptic number.

143302142 is a deficient number, since it is larger than the sum of its proper divisors (87236818).

143302142 is a wasteful number, since it uses less digits than its factorization.

143302142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71227.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 143302142 is about 11970.8872687032. The cubic root of 143302142 is about 523.3001919141.

Adding to 143302142 its reverse (241203341), we get a palindrome (384505483).

The spelling of 143302142 in words is "one hundred forty-three million, three hundred two thousand, one hundred forty-two".