451454161 has 2 divisors, whose sum is σ = 451454162. Its totient is φ = 451454160.

The previous prime is 451454153. The next prime is 451454173. The reversal of 451454161 is 161454154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 421686225 + 29767936 = 20535^2 + 5456^2 .

It is a cyclic number.

It is not a de Polignac number, because 451454161 - 2³ = 451454153 is a prime.

It is not a weakly prime, because it can be changed into another prime (451454141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225727080 + 225727081.

It is an arithmetic number, because the mean of its divisors is an integer number (225727081).

Almost surely, 2^451454161 is an apocalyptic number.

It is an amenable number.

451454161 is a deficient number, since it is larger than the sum of its proper divisors (1).

451454161 is an equidigital number, since it uses as much as digits as its factorization.

451454161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 31.

The square root of 451454161 is about 21247.4506941421. The cubic root of 451454161 is about 767.1339798938.

The spelling of 451454161 in words is "four hundred fifty-one million, four hundred fifty-four thousand, one hundred sixty-one".