453220245 has 32 divisors (see below), whose sum is σ = 806630400. Its totient is φ = 241445952.

The previous prime is 453220237. The next prime is 453220247. The reversal of 453220245 is 542022354.

It is a happy number.

453220245 is a `hidden beast` number, since 453 + 2 + 202 + 4 + 5 = 666.

It is not a de Polignac number, because 453220245 - 2³ = 453220237 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453220247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193099 + ... + 195431.

It is an arithmetic number, because the mean of its divisors is an integer number (25207200).

Almost surely, 2^453220245 is an apocalyptic number.

453220245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

453220245 is a deficient number, since it is larger than the sum of its proper divisors (353410155).

453220245 is a wasteful number, since it uses less digits than its factorization.

453220245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786 (or 3780 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 453220245 is about 21288.9700314506. The cubic root of 453220245 is about 768.1330183416.

Adding to 453220245 its reverse (542022354), we get a palindrome (995242599).

The spelling of 453220245 in words is "four hundred fifty-three million, two hundred twenty thousand, two hundred forty-five".