455540015 has 16 divisors (see below), whose sum is σ = 637492800. Its totient is φ = 312369120.

The previous prime is 455540011. The next prime is 455540021. The reversal of 455540015 is 510045554.

It is a happy number.

It is not a de Polignac number, because 455540015 - 2² = 455540011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 455540015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455540011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131096 + ... + 134525.

It is an arithmetic number, because the mean of its divisors is an integer number (39843300).

Almost surely, 2^455540015 is an apocalyptic number.

455540015 is a deficient number, since it is larger than the sum of its proper divisors (181952785).

455540015 is an equidigital number, since it uses as much as digits as its factorization.

455540015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265647 (or 265633 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 455540015 is about 21343.3834009512. The cubic root of 455540015 is about 769.4413302952.

Adding to 455540015 its reverse (510045554), we get a palindrome (965585569).

The spelling of 455540015 in words is "four hundred fifty-five million, five hundred forty thousand, fifteen".