4545406 has 16 divisors (see below), whose sum is σ = 7096320. Its totient is φ = 2181240.

The previous prime is 4545403. The next prime is 4545433. The reversal of 4545406 is 6045454.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545403) 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, 10135 + ... + 10573.

It is an arithmetic number, because the mean of its divisors is an integer number (443520).

Almost surely, 2^4545406 is an apocalyptic number.

4545406 is a deficient number, since it is larger than the sum of its proper divisors (2550914).

4545406 is a wasteful number, since it uses less digits than its factorization.

4545406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 4545406 is about 2131.9957786075. The cubic root of 4545406 is about 165.6497915185.

It can be divided in two parts, 45 and 45406, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 4545406 in words is "four million, five hundred forty-five thousand, four hundred six".