4599945 has 48 divisors (see below), whose sum is σ = 9659520. Its totient is φ = 1976832.

The previous prime is 4599941. The next prime is 4599953. The reversal of 4599945 is 5499954.

It is not a de Polignac number, because 4599945 - 2² = 4599941 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4599945.

It is not an unprimeable number, because it can be changed into a prime (4599941) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4926 + ... + 5784.

It is an arithmetic number, because the mean of its divisors is an integer number (201240).

Almost surely, 2^4599945 is an apocalyptic number.

4599945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4599945 is an abundant number, since it is smaller than the sum of its proper divisors (5059575).

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

4599945 is a wasteful number, since it uses less digits than its factorization.

4599945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 891 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 4599945 is about 2144.7482369733. The cubic root of 4599945 is about 166.3096870503.

Subtracting 4599945 from its reverse (5499954), we obtain a palindrome (900009).

It can be divided in two parts, 459 and 9945, that added together give a square (10404 = 102²).

The spelling of 4599945 in words is "four million, five hundred ninety-nine thousand, nine hundred forty-five".