143212404 has 24 divisors (see below), whose sum is σ = 334378240. Its totient is φ = 47706624.

The previous prime is 143212397. The next prime is 143212409. The reversal of 143212404 is 404212341.

143212404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143212409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22932 + ... + 28500.

Almost surely, 2^143212404 is an apocalyptic number.

It is an amenable number.

143212404 is an abundant number, since it is smaller than the sum of its proper divisors (191165836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143212404 is a wasteful number, since it uses less digits than its factorization.

143212404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7719 (or 7717 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 143212404 is about 11967.1385050897. The cubic root of 143212404 is about 523.1909362354.

Adding to 143212404 its reverse (404212341), we get a palindrome (547424745).

The spelling of 143212404 in words is "one hundred forty-three million, two hundred twelve thousand, four hundred four".