142908404 has 24 divisors (see below), whose sum is σ = 261848160. Its totient is φ = 68154464.

The previous prime is 142908391. The next prime is 142908431. The reversal of 142908404 is 404809241.

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, 2207 + ... + 17049.

It is an arithmetic number, because the mean of its divisors is an integer number (10910340).

Almost surely, 2^142908404 is an apocalyptic number.

It is an amenable number.

142908404 is a deficient number, since it is larger than the sum of its proper divisors (118939756).

142908404 is a wasteful number, since it uses less digits than its factorization.

142908404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14959 (or 14957 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 142908404 is about 11954.4303084672. The cubic root of 142908404 is about 522.8204778283.

The spelling of 142908404 in words is "one hundred forty-two million, nine hundred eight thousand, four hundred four".