142859618 has 24 divisors (see below), whose sum is σ = 236560716. Its totient is φ = 64655360.

The previous prime is 142859599. The next prime is 142859641. The reversal of 142859618 is 816958241.

It can be written as a sum of positive squares in 2 ways, for example, as 129117769 + 13741849 = 11363^2 + 3707^2 .

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 11 ways as a sum of consecutive naturals, for example, 61046 + ... + 63342.

Almost surely, 2^142859618 is an apocalyptic number.

142859618 is a deficient number, since it is larger than the sum of its proper divisors (93701098).

142859618 is a wasteful number, since it uses less digits than its factorization.

142859618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578 (or 2567 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The square root of 142859618 is about 11952.3896355499. The cubic root of 142859618 is about 522.7609776587.

The spelling of 142859618 in words is "one hundred forty-two million, eight hundred fifty-nine thousand, six hundred eighteen".