454982215 has 16 divisors (see below), whose sum is σ = 550680768. Its totient is φ = 360864256.

The previous prime is 454982173. The next prime is 454982233. The reversal of 454982215 is 512289454.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 454982215 - 2²¹ = 452885063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512502 + ... + 513388.

It is an arithmetic number, because the mean of its divisors is an integer number (34417548).

Almost surely, 2^454982215 is an apocalyptic number.

454982215 is a deficient number, since it is larger than the sum of its proper divisors (95698553).

454982215 is a wasteful number, since it uses less digits than its factorization.

454982215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658.

The product of its digits is 115200, while the sum is 40.

The square root of 454982215 is about 21330.3121167975. The cubic root of 454982215 is about 769.1271466455.

The spelling of 454982215 in words is "four hundred fifty-four million, nine hundred eighty-two thousand, two hundred fifteen".