9045642 has 8 divisors (see below), whose sum is σ = 18091296. Its totient is φ = 3015212.

The previous prime is 9045637. The next prime is 9045643. The reversal of 9045642 is 2465409.

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

9045642 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9045643) 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, 753798 + ... + 753809.

It is an arithmetic number, because the mean of its divisors is an integer number (2261412).

Almost surely, 2^9045642 is an apocalyptic number.

9045642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9045642 is a wasteful number, since it uses less digits than its factorization.

9045642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507612.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 9045642 is about 3007.5973799696. The cubic root of 9045642 is about 208.3594161832.

The spelling of 9045642 in words is "nine million, forty-five thousand, six hundred forty-two".