142018908 has 12 divisors (see below), whose sum is σ = 331377480. Its totient is φ = 47339632.

The previous prime is 142018907. The next prime is 142018927. The reversal of 142018908 is 809810241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142018907) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5917443 + ... + 5917466.

It is an arithmetic number, because the mean of its divisors is an integer number (27614790).

Almost surely, 2^142018908 is an apocalyptic number.

It is an amenable number.

142018908 is an abundant number, since it is smaller than the sum of its proper divisors (189358572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142018908 is a wasteful number, since it uses less digits than its factorization.

142018908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11834916 (or 11834914 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 142018908 is about 11917.1686234609. The cubic root of 142018908 is about 521.7334997013.

The spelling of 142018908 in words is "one hundred forty-two million, eighteen thousand, nine hundred eight".