143071872 has 64 divisors (see below), whose sum is σ = 381928800. Its totient is φ = 47453184.

The previous prime is 143071871. The next prime is 143071883. The reversal of 143071872 is 278170341.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (143071871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87123 + ... + 88749.

Almost surely, 2^143071872 is an apocalyptic number.

143071872 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 143071872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190964400).

143071872 is an abundant number, since it is smaller than the sum of its proper divisors (238856928).

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

143071872 is a wasteful number, since it uses less digits than its factorization.

143071872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873 (or 1861 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 143071872 is about 11961.2654848891. The cubic root of 143071872 is about 523.0197473128.

The spelling of 143071872 in words is "one hundred forty-three million, seventy-one thousand, eight hundred seventy-two".