142606838 has 8 divisors (see below), whose sum is σ = 233356680. Its totient is φ = 64821280.

The previous prime is 142606819. The next prime is 142606847. The reversal of 142606838 is 838606241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3241043 + ... + 3241086.

It is an arithmetic number, because the mean of its divisors is an integer number (29169585).

Almost surely, 2^142606838 is an apocalyptic number.

142606838 is a deficient number, since it is larger than the sum of its proper divisors (90749842).

142606838 is a wasteful number, since it uses less digits than its factorization.

142606838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6482142.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 142606838 is about 11941.8104992501. The cubic root of 142606838 is about 522.4524660863.

The spelling of 142606838 in words is "one hundred forty-two million, six hundred six thousand, eight hundred thirty-eight".