143806872 has 32 divisors (see below), whose sum is σ = 392201280. Its totient is φ = 43577760.

The previous prime is 143806867. The next prime is 143806889. The reversal of 143806872 is 278608341.

It is a self number, because there is not a number n which added to its sum of digits gives 143806872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272098 + ... + 272625.

It is an arithmetic number, because the mean of its divisors is an integer number (12256290).

Almost surely, 2^143806872 is an apocalyptic number.

143806872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143806872 is an abundant number, since it is smaller than the sum of its proper divisors (248394408).

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

143806872 is a wasteful number, since it uses less digits than its factorization.

143806872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544743 (or 544739 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 143806872 is about 11991.9503000971. The cubic root of 143806872 is about 523.9138506081.

The spelling of 143806872 in words is "one hundred forty-three million, eight hundred six thousand, eight hundred seventy-two".