455420015 has 4 divisors (see below), whose sum is σ = 546504024. Its totient is φ = 364336008.

The previous prime is 455419969. The next prime is 455420047. The reversal of 455420015 is 510024554.

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

It is a cyclic number.

It is not a de Polignac number, because 455420015 - 2¹⁰ = 455418991 is a prime.

It is a Duffinian number.

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, 45541997 + ... + 45542006.

It is an arithmetic number, because the mean of its divisors is an integer number (136626006).

Almost surely, 2^455420015 is an apocalyptic number.

455420015 is a deficient number, since it is larger than the sum of its proper divisors (91084009).

455420015 is an equidigital number, since it uses as much as digits as its factorization.

455420015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91084008.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 455420015 is about 21340.5720401305. The cubic root of 455420015 is about 769.3737613548.

Adding to 455420015 its reverse (510024554), we get a palindrome (965444569).

The spelling of 455420015 in words is "four hundred fifty-five million, four hundred twenty thousand, fifteen".