143812272 has 20 divisors (see below), whose sum is σ = 371515160. Its totient is φ = 47937408.

The previous prime is 143812271. The next prime is 143812289. The reversal of 143812272 is 272218341.

It is not an unprimeable number, because it can be changed into a prime (143812271) 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 3 ways as a sum of consecutive naturals, for example, 1497997 + ... + 1498092.

It is an arithmetic number, because the mean of its divisors is an integer number (18575758).

Almost surely, 2^143812272 is an apocalyptic number.

143812272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143812272 is an abundant number, since it is smaller than the sum of its proper divisors (227702888).

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

143812272 is a wasteful number, since it uses less digits than its factorization.

143812272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996100 (or 2996094 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 143812272 is about 11992.1754490167. The cubic root of 143812272 is about 523.9204082441.

It can be divided in two parts, 14381 and 2272, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 143812272 in words is "one hundred forty-three million, eight hundred twelve thousand, two hundred seventy-two".