450049 has 4 divisors (see below), whose sum is σ = 451540. Its totient is φ = 448560.

The previous prime is 450029. The next prime is 450067. The reversal of 450049 is 940054.

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

It can be written as a sum of positive squares in 2 ways, for example, as 71824 + 378225 = 268^2 + 615^2 .

It is a cyclic number.

It is not a de Polignac number, because 450049 - 2⁷ = 449921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114 + ... + 955.

It is an arithmetic number, because the mean of its divisors is an integer number (112885).

2⁴⁵⁰⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

450049 is a deficient number, since it is larger than the sum of its proper divisors (1491).

450049 is a wasteful number, since it uses less digits than its factorization.

450049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 450049 is about 670.8569146994. The cubic root of 450049 is about 76.6337245578.

The spelling of 450049 in words is "four hundred fifty thousand, forty-nine".