143220342 has 32 divisors (see below), whose sum is σ = 303823872. Its totient is φ = 44852864.

The previous prime is 143220331. The next prime is 143220353. The reversal of 143220342 is 243022341.

143220342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (143220331) and next prime (143220353).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89683 + ... + 91265.

It is an arithmetic number, because the mean of its divisors is an integer number (9494496).

Almost surely, 2^143220342 is an apocalyptic number.

143220342 is an abundant number, since it is smaller than the sum of its proper divisors (160603530).

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

143220342 is a wasteful number, since it uses less digits than its factorization.

143220342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 143220342 is about 11967.4701587261. The cubic root of 143220342 is about 523.2006025604.

Adding to 143220342 its reverse (243022341), we get a palindrome (386242683).

The spelling of 143220342 in words is "one hundred forty-three million, two hundred twenty thousand, three hundred forty-two".