143872272 has 60 divisors (see below), whose sum is σ = 407771520. Its totient is φ = 47346624.

The previous prime is 143872247. The next prime is 143872273. The reversal of 143872272 is 272278341.

143872272 is a `hidden beast` number, since 1 + 4 + 387 + 2 + 272 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (143872273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5053 + ... + 17699.

It is an arithmetic number, because the mean of its divisors is an integer number (6796192).

Almost surely, 2^143872272 is an apocalyptic number.

143872272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143872272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203885760).

143872272 is an abundant number, since it is smaller than the sum of its proper divisors (263899248).

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

143872272 is a wasteful number, since it uses less digits than its factorization.

143872272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12740 (or 12731 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 143872272 is about 11994.6768193228. The cubic root of 143872272 is about 523.9932598243.

The spelling of 143872272 in words is "one hundred forty-three million, eight hundred seventy-two thousand, two hundred seventy-two".