9142192 has 80 divisors (see below), whose sum is σ = 20757600. Its totient is φ = 3870720.

The previous prime is 9142171. The next prime is 9142207. The reversal of 9142192 is 2912419.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9142192.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149842 + ... + 149902.

It is an arithmetic number, because the mean of its divisors is an integer number (259470).

Almost surely, 2^9142192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9142192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10378800).

9142192 is an abundant number, since it is smaller than the sum of its proper divisors (11615408).

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

9142192 is a wasteful number, since it uses less digits than its factorization.

9142192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 128 counting only the distinct ones).

The product of its digits is 1296, while the sum is 28.

The square root of 9142192 is about 3023.6057944117. The cubic root of 9142192 is about 209.0981125547.

The spelling of 9142192 in words is "nine million, one hundred forty-two thousand, one hundred ninety-two".