9045142 has 8 divisors (see below), whose sum is σ = 13580856. Its totient is φ = 4518192.

The previous prime is 9045137. The next prime is 9045143. The reversal of 9045142 is 2415409.

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 (9045143) 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, 1978 + ... + 4690.

It is an arithmetic number, because the mean of its divisors is an integer number (1697607).

Almost surely, 2^9045142 is an apocalyptic number.

9045142 is a deficient number, since it is larger than the sum of its proper divisors (4535714).

9045142 is a wasteful number, since it uses less digits than its factorization.

9045142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 9045142 is about 3007.5142559928. The cubic root of 9045142 is about 208.3555770738.

The spelling of 9045142 in words is "nine million, forty-five thousand, one hundred forty-two".