142304404 has 24 divisors (see below), whose sum is σ = 283485888. Its totient is φ = 61871040.

The previous prime is 142304339. The next prime is 142304411. The reversal of 142304404 is 404403241.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 69297 + ... + 71320.

It is an arithmetic number, because the mean of its divisors is an integer number (11811912).

Almost surely, 2^142304404 is an apocalyptic number.

It is an amenable number.

142304404 is a deficient number, since it is larger than the sum of its proper divisors (141181484).

142304404 is a wasteful number, since it uses less digits than its factorization.

142304404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140655 (or 140653 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 142304404 is about 11929.1409581746. The cubic root of 142304404 is about 522.0828736661.

Adding to 142304404 its reverse (404403241), we get a palindrome (546707645).

The spelling of 142304404 in words is "one hundred forty-two million, three hundred four thousand, four hundred four".