450638153 has 6 divisors (see below), whose sum is σ = 524211786. Its totient is φ = 386261232.

The previous prime is 450638147. The next prime is 450638173. The reversal of 450638153 is 351836054.

It can be written as a sum of positive squares in only one way, i.e., 281299984 + 169338169 = 16772^2 + 13013^2 .

It is not a de Polignac number, because 450638153 - 2⁴ = 450638137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450638173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4598300 + ... + 4598397.

It is an arithmetic number, because the mean of its divisors is an integer number (87368631).

Almost surely, 2^450638153 is an apocalyptic number.

It is an amenable number.

450638153 is a deficient number, since it is larger than the sum of its proper divisors (73573633).

450638153 is an equidigital number, since it uses as much as digits as its factorization.

450638153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9196711 (or 9196704 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 450638153 is about 21228.2395172091. The cubic root of 450638153 is about 766.6715003056.

The spelling of 450638153 in words is "four hundred fifty million, six hundred thirty-eight thousand, one hundred fifty-three".