143391344 has 10 divisors (see below), whose sum is σ = 277820760. Its totient is φ = 71695664.

The previous prime is 143391343. The next prime is 143391349. The reversal of 143391344 is 443193341.

143391344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×143391344² = 41122155068252672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143391344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143391343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4480964 + ... + 4480995.

It is an arithmetic number, because the mean of its divisors is an integer number (27782076).

Almost surely, 2^143391344 is an apocalyptic number.

It is an amenable number.

143391344 is a deficient number, since it is larger than the sum of its proper divisors (134429416).

143391344 is an equidigital number, since it uses as much as digits as its factorization.

143391344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8961967 (or 8961961 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 143391344 is about 11974.6124780721. The cubic root of 143391344 is about 523.4087498203.

The spelling of 143391344 in words is "one hundred forty-three million, three hundred ninety-one thousand, three hundred forty-four".