450161 has 2 divisors, whose sum is σ = 450162. Its totient is φ = 450160.

The previous prime is 450137. The next prime is 450169. The reversal of 450161 is 161054.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390625 + 59536 = 625^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 450161 - 2¹⁴ = 433777 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (450169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225080 + 225081.

It is an arithmetic number, because the mean of its divisors is an integer number (225081).

2⁴⁵⁰¹⁶¹ is an apocalyptic number.

It is an amenable number.

450161 is a deficient number, since it is larger than the sum of its proper divisors (1).

450161 is an equidigital number, since it uses as much as digits as its factorization.

450161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 450161 is about 670.9403848331. The cubic root of 450161 is about 76.6400810992.

The spelling of 450161 in words is "four hundred fifty thousand, one hundred sixty-one".