461444161 has 2 divisors, whose sum is σ = 461444162. Its totient is φ = 461444160.

The previous prime is 461444153. The next prime is 461444183. The reversal of 461444161 is 161444164.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330112561 + 131331600 = 18169^2 + 11460^2 .

It is a cyclic number.

It is not a de Polignac number, because 461444161 - 2³ = 461444153 is a prime.

It is not a weakly prime, because it can be changed into another prime (461484161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230722080 + 230722081.

It is an arithmetic number, because the mean of its divisors is an integer number (230722081).

Almost surely, 2^461444161 is an apocalyptic number.

It is an amenable number.

461444161 is a deficient number, since it is larger than the sum of its proper divisors (1).

461444161 is an equidigital number, since it uses as much as digits as its factorization.

461444161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 31.

The square root of 461444161 is about 21481.2513834739. The cubic root of 461444161 is about 772.7512536506.

It can be divided in two parts, 46144 and 4161, that added together give a palindrome (50305).

The spelling of 461444161 in words is "four hundred sixty-one million, four hundred forty-four thousand, one hundred sixty-one".