143320342 has 16 divisors (see below), whose sum is σ = 234814464. Its totient is φ = 65065000.

The previous prime is 143320279. The next prime is 143320357. The reversal of 143320342 is 243023341.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16467 + ... + 23617.

It is an arithmetic number, because the mean of its divisors is an integer number (14675904).

Almost surely, 2^143320342 is an apocalyptic number.

143320342 is a deficient number, since it is larger than the sum of its proper divisors (91494122).

143320342 is a wasteful number, since it uses less digits than its factorization.

143320342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8075.

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

The square root of 143320342 is about 11971.6474221387. The cubic root of 143320342 is about 523.3223447821.

Adding to 143320342 its reverse (243023341), we get a palindrome (386343683).

The spelling of 143320342 in words is "one hundred forty-three million, three hundred twenty thousand, three hundred forty-two".