4545646 has 8 divisors (see below), whose sum is σ = 7792560. Its totient is φ = 1948128.

The previous prime is 4545643. The next prime is 4545683. The reversal of 4545646 is 6465454.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545641) 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, 162331 + ... + 162358.

It is an arithmetic number, because the mean of its divisors is an integer number (974070).

Almost surely, 2^4545646 is an apocalyptic number.

4545646 is a deficient number, since it is larger than the sum of its proper divisors (3246914).

4545646 is a wasteful number, since it uses less digits than its factorization.

4545646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324698.

The product of its digits is 57600, while the sum is 34.

The square root of 4545646 is about 2132.0520631542. The cubic root of 4545646 is about 165.6527069347.

The spelling of 4545646 in words is "four million, five hundred forty-five thousand, six hundred forty-six".