143404 has 6 divisors (see below), whose sum is σ = 250964. Its totient is φ = 71700.

The previous prime is 143401. The next prime is 143413. The reversal of 143404 is 404341.

It is not an unprimeable number, because it can be changed into a prime (143401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17922 + ... + 17929.

2¹⁴³⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

143404 is a deficient number, since it is larger than the sum of its proper divisors (107560).

143404 is a wasteful number, since it uses less digits than its factorization.

143404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35855 (or 35853 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 143404 is about 378.6872060157. The cubic root of 143404 is about 52.3424148393.

Adding to 143404 its reverse (404341), we get a palindrome (547745).

The spelling of 143404 in words is "one hundred forty-three thousand, four hundred four", and thus it is an iban number.