454381453 has 2 divisors, whose sum is σ = 454381454. Its totient is φ = 454381452.

The previous prime is 454381451. The next prime is 454381507. The reversal of 454381453 is 354183454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 442807849 + 11573604 = 21043^2 + 3402^2 .

It is a cyclic number.

It is not a de Polignac number, because 454381453 - 2¹ = 454381451 is a prime.

Together with 454381451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454381451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227190726 + 227190727.

It is an arithmetic number, because the mean of its divisors is an integer number (227190727).

Almost surely, 2^454381453 is an apocalyptic number.

It is an amenable number.

454381453 is a deficient number, since it is larger than the sum of its proper divisors (1).

454381453 is an equidigital number, since it uses as much as digits as its factorization.

454381453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 37.

The square root of 454381453 is about 21316.2251114028. The cubic root of 454381453 is about 768.7884770835.

The spelling of 454381453 in words is "four hundred fifty-four million, three hundred eighty-one thousand, four hundred fifty-three".