450987115 has 4 divisors (see below), whose sum is σ = 541184544. Its totient is φ = 360789688.

The previous prime is 450987109. The next prime is 450987127. The reversal of 450987115 is 511789054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 450987115 - 2³ = 450987107 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45098707 + ... + 45098716.

It is an arithmetic number, because the mean of its divisors is an integer number (135296136).

Almost surely, 2^450987115 is an apocalyptic number.

450987115 is a deficient number, since it is larger than the sum of its proper divisors (90197429).

450987115 is an equidigital number, since it uses as much as digits as its factorization.

450987115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90197428.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 450987115 is about 21236.4572139517. The cubic root of 450987115 is about 766.8693458051.

The spelling of 450987115 in words is "four hundred fifty million, nine hundred eighty-seven thousand, one hundred fifteen".