143130404 has 12 divisors (see below), whose sum is σ = 250687500. Its totient is φ = 71505408.

The previous prime is 143130371. The next prime is 143130409. The reversal of 143130404 is 404031341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62094400 + 81036004 = 7880^2 + 9002^2 .

It is not an unprimeable number, because it can be changed into a prime (143130409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9329 + ... + 19320.

It is an arithmetic number, because the mean of its divisors is an integer number (20890625).

Almost surely, 2^143130404 is an apocalyptic number.

It is an amenable number.

143130404 is a deficient number, since it is larger than the sum of its proper divisors (107557096).

143130404 is a wasteful number, since it uses less digits than its factorization.

143130404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29902 (or 29900 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 143130404 is about 11963.7119657738. The cubic root of 143130404 is about 523.0910616288.

Adding to 143130404 its reverse (404031341), we get a palindrome (547161745).

The spelling of 143130404 in words is "one hundred forty-three million, one hundred thirty thousand, four hundred four".