4542909 has 8 divisors (see below), whose sum is σ = 6922560. Its totient is φ = 2595936.

The previous prime is 4542887. The next prime is 4542911. The reversal of 4542909 is 9092454.

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

It is not a de Polignac number, because 4542909 - 2⁵ = 4542877 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

4542909 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4542909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108144 + ... + 108185.

It is an arithmetic number, because the mean of its divisors is an integer number (865320).

Almost surely, 2^4542909 is an apocalyptic number.

It is an amenable number.

4542909 is a deficient number, since it is larger than the sum of its proper divisors (2379651).

4542909 is a wasteful number, since it uses less digits than its factorization.

4542909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216339.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 4542909 is about 2131.4100966262. The cubic root of 4542909 is about 165.6194529529.

The spelling of 4542909 in words is "four million, five hundred forty-two thousand, nine hundred nine".