143171072 has 60 divisors (see below), whose sum is σ = 314568408. Its totient is φ = 65049600.

The previous prime is 143171069. The next prime is 143171081. The reversal of 143171072 is 270171341.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60797 + ... + 63107.

Almost surely, 2^143171072 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 143171072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157284204).

143171072 is an abundant number, since it is smaller than the sum of its proper divisors (171397336).

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

143171072 is an equidigital number, since it uses as much as digits as its factorization.

143171072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351 (or 2324 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 143171072 is about 11965.4114847756. The cubic root of 143171072 is about 523.1405993282.

The spelling of 143171072 in words is "one hundred forty-three million, one hundred seventy-one thousand, seventy-two".