454144349 has 2 divisors, whose sum is σ = 454144350. Its totient is φ = 454144348.

The previous prime is 454144337. The next prime is 454144357. The reversal of 454144349 is 943441454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423618724 + 30525625 = 20582^2 + 5525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454144349 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454144319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227072174 + 227072175.

It is an arithmetic number, because the mean of its divisors is an integer number (227072175).

Almost surely, 2^454144349 is an apocalyptic number.

It is an amenable number.

454144349 is a deficient number, since it is larger than the sum of its proper divisors (1).

454144349 is an equidigital number, since it uses as much as digits as its factorization.

454144349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 38.

The square root of 454144349 is about 21310.6628005794. The cubic root of 454144349 is about 768.6547314995.

The spelling of 454144349 in words is "four hundred fifty-four million, one hundred forty-four thousand, three hundred forty-nine".