143267872 has 72 divisors (see below), whose sum is σ = 313307568. Its totient is φ = 64437120.

The previous prime is 143267867. The next prime is 143267881. The reversal of 143267872 is 278762341.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 631023 + ... + 631249.

It is an arithmetic number, because the mean of its divisors is an integer number (4351494).

Almost surely, 2^143267872 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 143267872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156653784).

143267872 is an abundant number, since it is smaller than the sum of its proper divisors (170039696).

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

143267872 is a wasteful number, since it uses less digits than its factorization.

143267872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 403 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 143267872 is about 11969.4557938112. The cubic root of 143267872 is about 523.2584737023.

The spelling of 143267872 in words is "one hundred forty-three million, two hundred sixty-seven thousand, eight hundred seventy-two".