143344404 has 90 divisors (see below), whose sum is σ = 435959370. Its totient is φ = 40951008.

The previous prime is 143344387. The next prime is 143344427. The reversal of 143344404 is 404443341.

It can be written as a sum of positive squares in only one way, i.e., 143280900 + 63504 = 11970^2 + 252^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 11362 + ... + 20390.

It is an arithmetic number, because the mean of its divisors is an integer number (4843993).

Almost surely, 2^143344404 is an apocalyptic number.

143344404 is a gapful number since it is divisible by the number (14) 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 143344404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217979685).

143344404 is an abundant number, since it is smaller than the sum of its proper divisors (292614966).

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

143344404 is a wasteful number, since it uses less digits than its factorization.

143344404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9059 (or 9041 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 143344404 is about 11972.6523377237. The cubic root of 143344404 is about 523.3516299426.

Adding to 143344404 its reverse (404443341), we get a palindrome (547787745).

The spelling of 143344404 in words is "one hundred forty-three million, three hundred forty-four thousand, four hundred four".