143214404 has 12 divisors (see below), whose sum is σ = 251209728. Its totient is φ = 71440200.

The previous prime is 143214403. The next prime is 143214431. The reversal of 143214404 is 404412341.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 143214404.

It is not an unprimeable number, because it can be changed into a prime (143214403) 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, 39812 + ... + 43259.

It is an arithmetic number, because the mean of its divisors is an integer number (20934144).

Almost surely, 2^143214404 is an apocalyptic number.

It is an amenable number.

143214404 is a deficient number, since it is larger than the sum of its proper divisors (107995324).

143214404 is a wasteful number, since it uses less digits than its factorization.

143214404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83506 (or 83504 counting only the distinct ones).

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

The square root of 143214404 is about 11967.2220669627. Note that the first 3 decimals coincide. The cubic root of 143214404 is about 523.1933717250.

Adding to 143214404 its reverse (404412341), we get a palindrome (547626745).

The spelling of 143214404 in words is "one hundred forty-three million, two hundred fourteen thousand, four hundred four".