9158142 has 64 divisors (see below), whose sum is σ = 22164480. Its totient is φ = 2467584.

The previous prime is 9158119. The next prime is 9158159. The reversal of 9158142 is 2418519.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88863 + ... + 88965.

It is an arithmetic number, because the mean of its divisors is an integer number (346320).

Almost surely, 2^9158142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9158142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11082240).

9158142 is an abundant number, since it is smaller than the sum of its proper divisors (13006338).

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

9158142 is a wasteful number, since it uses less digits than its factorization.

9158142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217.

The product of its digits is 2880, while the sum is 30.

The square root of 9158142 is about 3026.2422242775. The cubic root of 9158142 is about 209.2196434825.

The spelling of 9158142 in words is "nine million, one hundred fifty-eight thousand, one hundred forty-two".