450615049 has 4 divisors (see below), whose sum is σ = 452950036. Its totient is φ = 448280064.

The previous prime is 450615019. The next prime is 450615059. The reversal of 450615049 is 940516054.

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 335439225 + 115175824 = 18315^2 + 10732^2 .

It is a cyclic number.

It is not a de Polignac number, because 450615049 - 2⁹ = 450614537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450615019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1167204 + ... + 1167589.

It is an arithmetic number, because the mean of its divisors is an integer number (113237509).

Almost surely, 2^450615049 is an apocalyptic number.

It is an amenable number.

450615049 is a deficient number, since it is larger than the sum of its proper divisors (2334987).

450615049 is a wasteful number, since it uses less digits than its factorization.

450615049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334986.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 450615049 is about 21227.6953294511. The cubic root of 450615049 is about 766.6583977894.

The spelling of 450615049 in words is "four hundred fifty million, six hundred fifteen thousand, forty-nine".