345848449 has 2 divisors, whose sum is σ = 345848450. Its totient is φ = 345848448.

The previous prime is 345848443. The next prime is 345848497. The reversal of 345848449 is 944848543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345402225 + 446224 = 18585^2 + 668^2 .

It is a cyclic number.

It is not a de Polignac number, because 345848449 - 2¹¹ = 345846401 is a prime.

It is a super-2 number, since 2×345848449² = 239222299351411202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (345848443) 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, 172924224 + 172924225.

It is an arithmetic number, because the mean of its divisors is an integer number (172924225).

Almost surely, 2^345848449 is an apocalyptic number.

It is an amenable number.

345848449 is a deficient number, since it is larger than the sum of its proper divisors (1).

345848449 is an equidigital number, since it uses as much as digits as its factorization.

345848449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2211840, while the sum is 49.

The square root of 345848449 is about 18597.0010754422. The cubic root of 345848449 is about 701.9323810758.

The spelling of 345848449 in words is "three hundred forty-five million, eight hundred forty-eight thousand, four hundred forty-nine".