4455245 has 4 divisors (see below), whose sum is σ = 5346300. Its totient is φ = 3564192.

The previous prime is 4455239. The next prime is 4455259. The reversal of 4455245 is 5425544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2553604 + 1901641 = 1598^2 + 1379^2 .

It is a cyclic number.

It is not a de Polignac number, because 4455245 - 2⁴ = 4455229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445520 + ... + 445529.

It is an arithmetic number, because the mean of its divisors is an integer number (1336575).

Almost surely, 2^4455245 is an apocalyptic number.

It is an amenable number.

4455245 is a deficient number, since it is larger than the sum of its proper divisors (891055).

4455245 is an equidigital number, since it uses as much as digits as its factorization.

4455245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891054.

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

The square root of 4455245 is about 2110.7451290954. The cubic root of 4455245 is about 164.5472128535.

Subtracting 4455245 from its reverse (5425544), we obtain a cube (970299 = 99³).

The spelling of 4455245 in words is "four million, four hundred fifty-five thousand, two hundred forty-five".