455197849 has 2 divisors, whose sum is σ = 455197850. Its totient is φ = 455197848.

The previous prime is 455197837. The next prime is 455197861. The reversal of 455197849 is 948791554.

It is a balanced prime because it is at equal distance from previous prime (455197837) and next prime (455197861).

It can be written as a sum of positive squares in only one way, i.e., 454329225 + 868624 = 21315^2 + 932^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455197849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 455197796 and 455197805.

It is not a weakly prime, because it can be changed into another prime (455137849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227598924 + 227598925.

It is an arithmetic number, because the mean of its divisors is an integer number (227598925).

Almost surely, 2^455197849 is an apocalyptic number.

It is an amenable number.

455197849 is a deficient number, since it is larger than the sum of its proper divisors (1).

455197849 is an equidigital number, since it uses as much as digits as its factorization.

455197849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 52.

The square root of 455197849 is about 21335.3661557518. The cubic root of 455197849 is about 769.2486340089.

It can be divided in two parts, 4551 and 97849, that added together give a square (102400 = 320²).

The spelling of 455197849 in words is "four hundred fifty-five million, one hundred ninety-seven thousand, eight hundred forty-nine".