450454215 has 16 divisors (see below), whose sum is σ = 720992736. Its totient is φ = 240153600.

The previous prime is 450454201. The next prime is 450454231. The reversal of 450454215 is 512454054.

It is not a de Polignac number, because 450454215 - 2¹⁰ = 450453191 is a prime.

It is a super-2 number, since 2×450454215² = 405817999622532450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67635 + ... + 73995.

It is an arithmetic number, because the mean of its divisors is an integer number (45062046).

Almost surely, 2^450454215 is an apocalyptic number.

450454215 is a deficient number, since it is larger than the sum of its proper divisors (270538521).

450454215 is a wasteful number, since it uses less digits than its factorization.

450454215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11090.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 450454215 is about 21223.9066856222. The cubic root of 450454215 is about 766.5671747599.

The spelling of 450454215 in words is "four hundred fifty million, four hundred fifty-four thousand, two hundred fifteen".