455032215 has 32 divisors (see below), whose sum is σ = 882489600. Its totient is φ = 220620960.

The previous prime is 455032187. The next prime is 455032219. The reversal of 455032215 is 512230554.

It is a happy number.

It is not a de Polignac number, because 455032215 - 2¹¹ = 455030167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455032219) 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 31 ways as a sum of consecutive naturals, for example, 151725 + ... + 154694.

It is an arithmetic number, because the mean of its divisors is an integer number (27577800).

Almost surely, 2^455032215 is an apocalyptic number.

455032215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

455032215 is a deficient number, since it is larger than the sum of its proper divisors (427457385).

455032215 is a wasteful number, since it uses less digits than its factorization.

455032215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306444 (or 306438 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 455032215 is about 21331.4841255830. The cubic root of 455032215 is about 769.1553198704.

Adding to 455032215 its reverse (512230554), we get a palindrome (967262769).

The spelling of 455032215 in words is "four hundred fifty-five million, thirty-two thousand, two hundred fifteen".