454145023 has 2 divisors, whose sum is σ = 454145024. Its totient is φ = 454145022.

The previous prime is 454144967. The next prime is 454145047. The reversal of 454145023 is 320541454.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454145023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 454144982 and 454145000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454145723) 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, 227072511 + 227072512.

It is an arithmetic number, because the mean of its divisors is an integer number (227072512).

Almost surely, 2^454145023 is an apocalyptic number.

454145023 is a deficient number, since it is larger than the sum of its proper divisors (1).

454145023 is an equidigital number, since it uses as much as digits as its factorization.

454145023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 454145023 is about 21310.6786142535. The cubic root of 454145023 is about 768.6551117553.

Adding to 454145023 its reverse (320541454), we get a palindrome (774686477).

The spelling of 454145023 in words is "four hundred fifty-four million, one hundred forty-five thousand, twenty-three".