454308173453 has 2 divisors, whose sum is σ = 454308173454. Its totient is φ = 454308173452.

The previous prime is 454308173401. The next prime is 454308173461. The reversal of 454308173453 is 354371803454.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287796842089 + 166511331364 = 536467^2 + 408058^2 .

It is a cyclic number.

It is not a de Polignac number, because 454308173453 - 2¹⁶ = 454308107917 is a prime.

It is a super-2 number, since 2×454308173453² (a number of 24 digits) contains 22 as substring.

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 = 454308173398 and 454308173407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454308773453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227154086726 + 227154086727.

It is an arithmetic number, because the mean of its divisors is an integer number (227154086727).

Almost surely, 2^454308173453 is an apocalyptic number.

It is an amenable number.

454308173453 is a deficient number, since it is larger than the sum of its proper divisors (1).

454308173453 is an equidigital number, since it uses as much as digits as its factorization.

454308173453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 454308173453 in words is "four hundred fifty-four billion, three hundred eight million, one hundred seventy-three thousand, four hundred fifty-three".