143322272 has 12 divisors (see below), whose sum is σ = 282165786. Its totient is φ = 71661120.

The previous prime is 143322271. The next prime is 143322341. The reversal of 143322272 is 272223341.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 81793936 + 61528336 = 9044^2 + 7844^2 .

It is not an unprimeable number, because it can be changed into a prime (143322271) 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 as a sum of consecutive naturals, namely, 2239379 + ... + 2239442.

Almost surely, 2^143322272 is an apocalyptic number.

It is an amenable number.

143322272 is a deficient number, since it is larger than the sum of its proper divisors (138843514).

143322272 is an equidigital number, since it uses as much as digits as its factorization.

143322272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478831 (or 4478823 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 143322272 is about 11971.7280289856. The cubic root of 143322272 is about 523.3246938499.

The spelling of 143322272 in words is "one hundred forty-three million, three hundred twenty-two thousand, two hundred seventy-two".