143222345 has 24 divisors (see below), whose sum is σ = 201544704. Its totient is φ = 97415136.

The previous prime is 143222333. The next prime is 143222347. The reversal of 143222345 is 543222341.

It is not a de Polignac number, because 143222345 - 2⁶ = 143222281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143222347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28814 + ... + 33416.

It is an arithmetic number, because the mean of its divisors is an integer number (8397696).

Almost surely, 2^143222345 is an apocalyptic number.

It is an amenable number.

143222345 is a deficient number, since it is larger than the sum of its proper divisors (58322359).

143222345 is a wasteful number, since it uses less digits than its factorization.

143222345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749 (or 4742 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 143222345 is about 11967.5538436223. The cubic root of 143222345 is about 523.2030416131.

Adding to 143222345 its reverse (543222341), we get a palindrome (686444686).

The spelling of 143222345 in words is "one hundred forty-three million, two hundred twenty-two thousand, three hundred forty-five".