455214245 has 4 divisors (see below), whose sum is σ = 546257100. Its totient is φ = 364171392.

The previous prime is 455214241. The next prime is 455214251. The reversal of 455214245 is 542412554.

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 48748324 + 406465921 = 6982^2 + 20161^2 .

It is a cyclic number.

It is not a de Polignac number, because 455214245 - 2² = 455214241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455214241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45521420 + ... + 45521429.

It is an arithmetic number, because the mean of its divisors is an integer number (136564275).

Almost surely, 2^455214245 is an apocalyptic number.

It is an amenable number.

455214245 is a deficient number, since it is larger than the sum of its proper divisors (91042855).

455214245 is an equidigital number, since it uses as much as digits as its factorization.

455214245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91042854.

The product of its digits is 32000, while the sum is 32.

The square root of 455214245 is about 21335.7503969277. The cubic root of 455214245 is about 769.2578698824.

Adding to 455214245 its reverse (542412554), we get a palindrome (997626799).

The spelling of 455214245 in words is "four hundred fifty-five million, two hundred fourteen thousand, two hundred forty-five".