454642453 has 2 divisors, whose sum is σ = 454642454. Its totient is φ = 454642452.

The previous prime is 454642439. The next prime is 454642459. The reversal of 454642453 is 354246454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255776049 + 198866404 = 15993^2 + 14102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454642453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454642459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227321226 + 227321227.

It is an arithmetic number, because the mean of its divisors is an integer number (227321227).

Almost surely, 2^454642453 is an apocalyptic number.

It is an amenable number.

454642453 is a deficient number, since it is larger than the sum of its proper divisors (1).

454642453 is an equidigital number, since it uses as much as digits as its factorization.

454642453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 37.

The square root of 454642453 is about 21322.3463296139. The cubic root of 454642453 is about 768.9356481329.

The spelling of 454642453 in words is "four hundred fifty-four million, six hundred forty-two thousand, four hundred fifty-three".