4645128 has 32 divisors (see below), whose sum is σ = 11928960. Its totient is φ = 1506240.

The previous prime is 4645117. The next prime is 4645141. The reversal of 4645128 is 8215464.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4645095 and 4645104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1728 + ... + 3503.

It is an arithmetic number, because the mean of its divisors is an integer number (372780).

Almost surely, 2^4645128 is an apocalyptic number.

It is an amenable number.

4645128 is an abundant number, since it is smaller than the sum of its proper divisors (7283832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4645128 is a wasteful number, since it uses less digits than its factorization.

4645128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277 (or 5273 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 4645128 is about 2155.2559012795. The cubic root of 4645128 is about 166.8524399639.

The spelling of 4645128 in words is "four million, six hundred forty-five thousand, one hundred twenty-eight".