143404412 has 48 divisors (see below), whose sum is σ = 264378912. Its totient is φ = 68014080.

The previous prime is 143404411. The next prime is 143404423. The reversal of 143404412 is 214404341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143404411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1478348 + ... + 1478444.

It is an arithmetic number, because the mean of its divisors is an integer number (5507894).

Almost surely, 2^143404412 is an apocalyptic number.

It is an amenable number.

143404412 is a deficient number, since it is larger than the sum of its proper divisors (120974500).

143404412 is a wasteful number, since it uses less digits than its factorization.

143404412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 143404412 is about 11975.1581200417. The cubic root of 143404412 is about 523.4246496591.

Adding to 143404412 its reverse (214404341), we get a palindrome (357808753).

The spelling of 143404412 in words is "one hundred forty-three million, four hundred four thousand, four hundred twelve".