143021342 has 4 divisors (see below), whose sum is σ = 214532016. Its totient is φ = 71510670.

The previous prime is 143021339. The next prime is 143021377. The reversal of 143021342 is 243120341.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35755334 + ... + 35755337.

It is an arithmetic number, because the mean of its divisors is an integer number (53633004).

Almost surely, 2^143021342 is an apocalyptic number.

143021342 is a deficient number, since it is larger than the sum of its proper divisors (71510674).

143021342 is an equidigital number, since it uses as much as digits as its factorization.

143021342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71510673.

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

The square root of 143021342 is about 11959.1530636580. The cubic root of 143021342 is about 522.9581668419.

Adding to 143021342 its reverse (243120341), we get a palindrome (386141683).

The spelling of 143021342 in words is "one hundred forty-three million, twenty-one thousand, three hundred forty-two".