455420215 has 8 divisors (see below), whose sum is σ = 575267760. Its totient is φ = 345160512.

The previous prime is 455420197. The next prime is 455420219. The reversal of 455420215 is 512024554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 455420215 - 2¹⁵ = 455387447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455420219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2396854 + ... + 2397043.

It is an arithmetic number, because the mean of its divisors is an integer number (71908470).

Almost surely, 2^455420215 is an apocalyptic number.

455420215 is a deficient number, since it is larger than the sum of its proper divisors (119847545).

455420215 is a wasteful number, since it uses less digits than its factorization.

455420215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4793921.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 455420215 is about 21340.5767260400. The cubic root of 455420215 is about 769.3738739795.

Adding to 455420215 its reverse (512024554), we get a palindrome (967444769).

The spelling of 455420215 in words is "four hundred fifty-five million, four hundred twenty thousand, two hundred fifteen".