450458493 has 8 divisors (see below), whose sum is σ = 602662368. Its totient is φ = 299280144.

The previous prime is 450458471. The next prime is 450458507. The reversal of 450458493 is 394854054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 450458493 - 2⁶ = 450458429 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450458413) 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 7 ways as a sum of consecutive naturals, for example, 255355 + ... + 257112.

It is an arithmetic number, because the mean of its divisors is an integer number (75332796).

Almost surely, 2^450458493 is an apocalyptic number.

It is an amenable number.

450458493 is a deficient number, since it is larger than the sum of its proper divisors (152203875).

450458493 is a wasteful number, since it uses less digits than its factorization.

450458493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512763.

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 450458493 is about 21224.0074679595. The cubic root of 450458493 is about 766.5696014690.

The spelling of 450458493 in words is "four hundred fifty million, four hundred fifty-eight thousand, four hundred ninety-three".