455541215 has 4 divisors (see below), whose sum is σ = 546649464. Its totient is φ = 364432968.

The previous prime is 455541211. The next prime is 455541259. The reversal of 455541215 is 512145554.

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 455541215 - 2² = 455541211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455541211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45554117 + ... + 45554126.

It is an arithmetic number, because the mean of its divisors is an integer number (136662366).

Almost surely, 2^455541215 is an apocalyptic number.

455541215 is a deficient number, since it is larger than the sum of its proper divisors (91108249).

455541215 is an equidigital number, since it uses as much as digits as its factorization.

455541215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91108248.

The product of its digits is 20000, while the sum is 32.

The square root of 455541215 is about 21343.4115126893. The cubic root of 455541215 is about 769.4420059246.

Adding to 455541215 its reverse (512145554), we get a palindrome (967686769).

The spelling of 455541215 in words is "four hundred fifty-five million, five hundred forty-one thousand, two hundred fifteen".