945818453 has 2 divisors, whose sum is σ = 945818454. Its totient is φ = 945818452.

The previous prime is 945818437. The next prime is 945818479. The reversal of 945818453 is 354818549.

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., 935014084 + 10804369 = 30578^2 + 3287^2 .

It is a cyclic number.

It is not a de Polignac number, because 945818453 - 2⁴ = 945818437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 945818398 and 945818407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (945818483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472909226 + 472909227.

It is an arithmetic number, because the mean of its divisors is an integer number (472909227).

Almost surely, 2^945818453 is an apocalyptic number.

It is an amenable number.

945818453 is a deficient number, since it is larger than the sum of its proper divisors (1).

945818453 is an equidigital number, since it uses as much as digits as its factorization.

945818453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 47.

The square root of 945818453 is about 30754.1615557960. The cubic root of 945818453 is about 981.6031143799.

The spelling of 945818453 in words is "nine hundred forty-five million, eight hundred eighteen thousand, four hundred fifty-three".