4645445 has 24 divisors (see below), whose sum is σ = 6604704. Its totient is φ = 3126816.

The previous prime is 4645441. The next prime is 4645477. The reversal of 4645445 is 5445464.

It is not a de Polignac number, because 4645445 - 2² = 4645441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16274 + ... + 16556.

It is an arithmetic number, because the mean of its divisors is an integer number (275196).

Almost surely, 2^4645445 is an apocalyptic number.

It is an amenable number.

4645445 is a deficient number, since it is larger than the sum of its proper divisors (1959259).

4645445 is a wasteful number, since it uses less digits than its factorization.

4645445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 362 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 4645445 is about 2155.3294411760. The cubic root of 4645445 is about 166.8562354115.

The spelling of 4645445 in words is "four million, six hundred forty-five thousand, four hundred forty-five".