143222304 has 96 divisors (see below), whose sum is σ = 398623680. Its totient is φ = 44900352.

The previous prime is 143222291. The next prime is 143222333. The reversal of 143222304 is 403222341.

It is a tau number, because it is divible by the number of its divisors (96).

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, 424824 + ... + 425160.

It is an arithmetic number, because the mean of its divisors is an integer number (4152330).

Almost surely, 2^143222304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143222304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199311840).

143222304 is an abundant number, since it is smaller than the sum of its proper divisors (255401376).

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

143222304 is a wasteful number, since it uses less digits than its factorization.

143222304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 594 counting only the distinct ones).

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

The square root of 143222304 is about 11967.5521306573. The cubic root of 143222304 is about 523.2029916877.

Adding to 143222304 its reverse (403222341), we get a palindrome (546444645).

The spelling of 143222304 in words is "one hundred forty-three million, two hundred twenty-two thousand, three hundred four".