9081142 has 8 divisors (see below), whose sum is σ = 15567696. Its totient is φ = 3891912.

The previous prime is 9081133. The next prime is 9081143. The reversal of 9081142 is 2411809.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9081143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324313 + ... + 324340.

It is an arithmetic number, because the mean of its divisors is an integer number (1945962).

Almost surely, 2^9081142 is an apocalyptic number.

9081142 is a deficient number, since it is larger than the sum of its proper divisors (6486554).

9081142 is a wasteful number, since it uses less digits than its factorization.

9081142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648662.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 9081142 is about 3013.4933217115. The cubic root of 9081142 is about 208.6316321306.

The spelling of 9081142 in words is "nine million, eighty-one thousand, one hundred forty-two".