9042156 has 18 divisors (see below), whose sum is σ = 22856652. Its totient is φ = 3014040.

The previous prime is 9042127. The next prime is 9042179. The reversal of 9042156 is 6512409.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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 5 ways as a sum of consecutive naturals, for example, 125550 + ... + 125621.

It is an arithmetic number, because the mean of its divisors is an integer number (1269814).

Almost surely, 2^9042156 is an apocalyptic number.

It is an amenable number.

9042156 is an abundant number, since it is smaller than the sum of its proper divisors (13814496).

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

9042156 is a wasteful number, since it uses less digits than its factorization.

9042156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251181 (or 251176 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 9042156 is about 3007.0177917665. The cubic root of 9042156 is about 208.3326469666.

The spelling of 9042156 in words is "nine million, forty-two thousand, one hundred fifty-six".