4545245 has 8 divisors (see below), whose sum is σ = 5491800. Its totient is φ = 3611200.

The previous prime is 4545241. The next prime is 4545259. The reversal of 4545245 is 5425454.

It can be written as a sum of positive squares in 4 ways, for example, as 131044 + 4414201 = 362^2 + 2101^2 .

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

It is not a de Polignac number, because 4545245 - 2² = 4545241 is a prime.

It is a super-2 number, since 2×4545245² = 41318504220050, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2306 + ... + 3795.

It is an arithmetic number, because the mean of its divisors is an integer number (686475).

Almost surely, 2^4545245 is an apocalyptic number.

It is an amenable number.

4545245 is a deficient number, since it is larger than the sum of its proper divisors (946555).

4545245 is a wasteful number, since it uses less digits than its factorization.

4545245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6255.

The product of its digits is 16000, while the sum is 29.

The square root of 4545245 is about 2131.9580202246. The cubic root of 4545245 is about 165.6478357027.

The spelling of 4545245 in words is "four million, five hundred forty-five thousand, two hundred forty-five".