453945629 has 2 divisors, whose sum is σ = 453945630. Its totient is φ = 453945628.

The previous prime is 453945619. The next prime is 453945659. The reversal of 453945629 is 926549354.

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., 423948100 + 29997529 = 20590^2 + 5477^2 .

It is a cyclic number.

It is not a de Polignac number, because 453945629 - 2¹² = 453941533 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (453945619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226972814 + 226972815.

It is an arithmetic number, because the mean of its divisors is an integer number (226972815).

Almost surely, 2^453945629 is an apocalyptic number.

It is an amenable number.

453945629 is a deficient number, since it is larger than the sum of its proper divisors (1).

453945629 is an equidigital number, since it uses as much as digits as its factorization.

453945629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 47.

The square root of 453945629 is about 21305.9998357270. Note that the first 3 decimals coincide. The cubic root of 453945629 is about 768.5426016938.

The spelling of 453945629 in words is "four hundred fifty-three million, nine hundred forty-five thousand, six hundred twenty-nine".