4545845 has 16 divisors (see below), whose sum is σ = 5808000. Its totient is φ = 3405888.

The previous prime is 4545839. The next prime is 4545859. The reversal of 4545845 is 5485454.

It is a cyclic number.

It is not a de Polignac number, because 4545845 - 2¹⁴ = 4529461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10136 + ... + 10574.

It is an arithmetic number, because the mean of its divisors is an integer number (363000).

Almost surely, 2^4545845 is an apocalyptic number.

It is an amenable number.

4545845 is a deficient number, since it is larger than the sum of its proper divisors (1262155).

4545845 is a wasteful number, since it uses less digits than its factorization.

4545845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572.

The product of its digits is 64000, while the sum is 35.

The square root of 4545845 is about 2132.0987312974. The cubic root of 4545845 is about 165.6551242228.

The spelling of 4545845 in words is "four million, five hundred forty-five thousand, eight hundred forty-five".