142690904 has 16 divisors (see below), whose sum is σ = 276771600. Its totient is φ = 68885152.

The previous prime is 142690903. The next prime is 142690909. The reversal of 142690904 is 409096241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142690903) 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, 307292 + ... + 307755.

It is an arithmetic number, because the mean of its divisors is an integer number (17298225).

Almost surely, 2^142690904 is an apocalyptic number.

It is an amenable number.

142690904 is a deficient number, since it is larger than the sum of its proper divisors (134080696).

142690904 is a wasteful number, since it uses less digits than its factorization.

142690904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615082 (or 615078 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 142690904 is about 11945.3297987121. The cubic root of 142690904 is about 522.5551069370. Note that the first 3 decimals are identical.

The spelling of 142690904 in words is "one hundred forty-two million, six hundred ninety thousand, nine hundred four".