142656476 has 12 divisors (see below), whose sum is σ = 249917472. Its totient is φ = 71251488.

The previous prime is 142656457. The next prime is 142656509. The reversal of 142656476 is 674656241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14900 + ... + 22523.

It is an arithmetic number, because the mean of its divisors is an integer number (20826456).

Almost surely, 2^142656476 is an apocalyptic number.

It is an amenable number.

142656476 is a deficient number, since it is larger than the sum of its proper divisors (107260996).

142656476 is a wasteful number, since it uses less digits than its factorization.

142656476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38380 (or 38378 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 142656476 is about 11943.8886465004. Note that the first 3 decimals coincide. The cubic root of 142656476 is about 522.5130767543.

The spelling of 142656476 in words is "one hundred forty-two million, six hundred fifty-six thousand, four hundred seventy-six".