143442004 has 24 divisors (see below), whose sum is σ = 261039240. Its totient is φ = 68885376.

The previous prime is 143441989. The next prime is 143442017. The reversal of 143442004 is 400244341.

It can be written as a sum of positive squares in 4 ways, for example, as 107081104 + 36360900 = 10348^2 + 6030^2 .

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, 19714 + ... + 25990.

It is an arithmetic number, because the mean of its divisors is an integer number (10876635).

Almost surely, 2^143442004 is an apocalyptic number.

It is an amenable number.

143442004 is a deficient number, since it is larger than the sum of its proper divisors (117597236).

143442004 is a wasteful number, since it uses less digits than its factorization.

143442004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6507 (or 6505 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 143442004 is about 11976.7275998079. The cubic root of 143442004 is about 523.4703824695.

Adding to 143442004 its reverse (400244341), we get a palindrome (543686345).

The spelling of 143442004 in words is "one hundred forty-three million, four hundred forty-two thousand, four".