4501845 has 16 divisors (see below), whose sum is σ = 8003520. Its totient is φ = 2400912.

The previous prime is 4501843. The next prime is 4501853. The reversal of 4501845 is 5481054.

It is not a de Polignac number, because 4501845 - 2¹ = 4501843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

4501845 is a modest number, since divided by 1845 gives 45 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4501843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16539 + ... + 16808.

It is an arithmetic number, because the mean of its divisors is an integer number (500220).

Almost surely, 2^4501845 is an apocalyptic number.

4501845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4501845 is a deficient number, since it is larger than the sum of its proper divisors (3501675).

4501845 is a wasteful number, since it uses less digits than its factorization.

4501845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33361 (or 33355 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 4501845 is about 2121.7551696650. The cubic root of 4501845 is about 165.1189225313.

Adding to 4501845 its reverse (5481054), we get a palindrome (9982899).

The spelling of 4501845 in words is "four million, five hundred one thousand, eight hundred forty-five".