450160405 has 4 divisors (see below), whose sum is σ = 540192492. Its totient is φ = 360128320.

The previous prime is 450160387. The next prime is 450160423. The reversal of 450160405 is 504061054.

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

It is an interprime number because it is at equal distance from previous prime (450160387) and next prime (450160423).

It can be written as a sum of positive squares in 2 ways, for example, as 174002481 + 276157924 = 13191^2 + 16618^2 .

It is a de Polignac number, because none of the positive numbers 2^k-450160405 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450160405.

It is a congruent 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, 45016036 + ... + 45016045.

It is an arithmetic number, because the mean of its divisors is an integer number (135048123).

Almost surely, 2^450160405 is an apocalyptic number.

It is an amenable number.

450160405 is a deficient number, since it is larger than the sum of its proper divisors (90032087).

450160405 is an equidigital number, since it uses as much as digits as its factorization.

450160405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90032086.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 450160405 is about 21216.9838808441. The cubic root of 450160405 is about 766.4004733285.

The spelling of 450160405 in words is "four hundred fifty million, one hundred sixty thousand, four hundred five".