142157846 has 8 divisors (see below), whose sum is σ = 215229960. Its totient is φ = 70414528.

The previous prime is 142157843. The next prime is 142157857. The reversal of 142157846 is 648751241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142157843) by changing a digit.

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, 331931 + ... + 332358.

It is an arithmetic number, because the mean of its divisors is an integer number (26903745).

Almost surely, 2^142157846 is an apocalyptic number.

142157846 is a deficient number, since it is larger than the sum of its proper divisors (73072114).

142157846 is a wasteful number, since it uses less digits than its factorization.

142157846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664398.

The product of its digits is 53760, while the sum is 38.

The square root of 142157846 is about 11922.9965193319. The cubic root of 142157846 is about 521.9035826481.

The spelling of 142157846 in words is "one hundred forty-two million, one hundred fifty-seven thousand, eight hundred forty-six".