143117244 has 72 divisors (see below), whose sum is σ = 376696320. Its totient is φ = 45777312.

The previous prime is 143117239. The next prime is 143117267. The reversal of 143117244 is 442711341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90549 + ... + 92115.

Almost surely, 2^143117244 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 143117244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188348160).

143117244 is an abundant number, since it is smaller than the sum of its proper divisors (233579076).

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

143117244 is a wasteful number, since it uses less digits than its factorization.

143117244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679 (or 1674 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 143117244 is about 11963.1619566066. The cubic root of 143117244 is about 523.0750294204.

Adding to 143117244 its reverse (442711341), we get a palindrome (585828585).

The spelling of 143117244 in words is "one hundred forty-three million, one hundred seventeen thousand, two hundred forty-four".