454149233 has 2 divisors, whose sum is σ = 454149234. Its totient is φ = 454149232.

The previous prime is 454149197. The next prime is 454149301. The reversal of 454149233 is 332941454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 416486464 + 37662769 = 20408^2 + 6137^2 .

It is a cyclic number.

It is not a de Polignac number, because 454149233 - 2¹² = 454145137 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 454149193 and 454149202.

It is not a weakly prime, because it can be changed into another prime (454140233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227074616 + 227074617.

It is an arithmetic number, because the mean of its divisors is an integer number (227074617).

Almost surely, 2^454149233 is an apocalyptic number.

It is an amenable number.

454149233 is a deficient number, since it is larger than the sum of its proper divisors (1).

454149233 is an equidigital number, since it uses as much as digits as its factorization.

454149233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 454149233 is about 21310.7773907945. Note that the first 3 decimals coincide. The cubic root of 454149233 is about 768.6574869349.

The spelling of 454149233 in words is "four hundred fifty-four million, one hundred forty-nine thousand, two hundred thirty-three".