143242004 has 6 divisors (see below), whose sum is σ = 250673514. Its totient is φ = 71621000.

The previous prime is 143241971. The next prime is 143242013. The reversal of 143242004 is 400242341.

143242004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 79210000 + 64032004 = 8900^2 + 8002^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17905247 + ... + 17905254.

It is an arithmetic number, because the mean of its divisors is an integer number (41778919).

Almost surely, 2^143242004 is an apocalyptic number.

It is an amenable number.

143242004 is a deficient number, since it is larger than the sum of its proper divisors (107431510).

143242004 is a wasteful number, since it uses less digits than its factorization.

143242004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35810505 (or 35810503 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 143242004 is about 11968.3751612322. The cubic root of 143242004 is about 523.2269791675.

Adding to 143242004 its reverse (400242341), we get a palindrome (543484345).

The spelling of 143242004 in words is "one hundred forty-three million, two hundred forty-two thousand, four".