450100215 has 72 divisors (see below), whose sum is σ = 834481440. Its totient is φ = 224373888.

The previous prime is 450100201. The next prime is 450100223. The reversal of 450100215 is 512001054.

450100215 is a `hidden beast` number, since 450 + 1 + 0 + 0 + 215 = 666.

It is not a de Polignac number, because 450100215 - 2¹⁵ = 450067447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1673101 + ... + 1673369.

It is an arithmetic number, because the mean of its divisors is an integer number (11590020).

Almost surely, 2^450100215 is an apocalyptic number.

450100215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

450100215 is a deficient number, since it is larger than the sum of its proper divisors (384381225).

450100215 is a wasteful number, since it uses less digits than its factorization.

450100215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 450100215 is about 21215.5653943042. The cubic root of 450100215 is about 766.3663138748.

Adding to 450100215 its reverse (512001054), we get a palindrome (962101269).

The spelling of 450100215 in words is "four hundred fifty million, one hundred thousand, two hundred fifteen".