143222313 has 8 divisors (see below), whose sum is σ = 205652608. Its totient is φ = 88136784.

The previous prime is 143222291. The next prime is 143222333. The reversal of 143222313 is 313222341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143222313 - 2⁵ = 143222281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143222313.

It is not an unprimeable number, because it can be changed into a prime (143222333) 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 7 ways as a sum of consecutive naturals, for example, 1836145 + ... + 1836222.

It is an arithmetic number, because the mean of its divisors is an integer number (25706576).

Almost surely, 2^143222313 is an apocalyptic number.

143222313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

143222313 is a deficient number, since it is larger than the sum of its proper divisors (62430295).

143222313 is a wasteful number, since it uses less digits than its factorization.

143222313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672383.

The product of its digits is 864, while the sum is 21.

The square root of 143222313 is about 11967.5525066740. The cubic root of 143222313 is about 523.2030026469.

Adding to 143222313 its reverse (313222341), we get a palindrome (456444654).

The spelling of 143222313 in words is "one hundred forty-three million, two hundred twenty-two thousand, three hundred thirteen".