454355749 has 2 divisors, whose sum is σ = 454355750. Its totient is φ = 454355748.

The previous prime is 454355729. The next prime is 454355773. The reversal of 454355749 is 947553454.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242798724 + 211557025 = 15582^2 + 14545^2 .

It is a cyclic number.

It is not a de Polignac number, because 454355749 - 2⁵ = 454355717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 454355699 and 454355708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454355729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227177874 + 227177875.

It is an arithmetic number, because the mean of its divisors is an integer number (227177875).

Almost surely, 2^454355749 is an apocalyptic number.

It is an amenable number.

454355749 is a deficient number, since it is larger than the sum of its proper divisors (1).

454355749 is an equidigital number, since it uses as much as digits as its factorization.

454355749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512000, while the sum is 46.

The square root of 454355749 is about 21315.6221818646. The cubic root of 454355749 is about 768.7739802245.

The spelling of 454355749 in words is "four hundred fifty-four million, three hundred fifty-five thousand, seven hundred forty-nine".