142158858 has 16 divisors (see below), whose sum is σ = 288562080. Its totient is φ = 46678896.

The previous prime is 142158857. The next prime is 142158871. The reversal of 142158858 is 858851241.

142158858 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142158851) 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 7 ways as a sum of consecutive naturals, for example, 176413 + ... + 177216.

It is an arithmetic number, because the mean of its divisors is an integer number (18035130).

Almost surely, 2^142158858 is an apocalyptic number.

142158858 is an abundant number, since it is smaller than the sum of its proper divisors (146403222).

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

142158858 is a wasteful number, since it uses less digits than its factorization.

142158858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353701.

The product of its digits is 102400, while the sum is 42.

The square root of 142158858 is about 11923.0389582522. The cubic root of 142158858 is about 521.9048210958.

The spelling of 142158858 in words is "one hundred forty-two million, one hundred fifty-eight thousand, eight hundred fifty-eight".