345459799 has 2 divisors, whose sum is σ = 345459800. Its totient is φ = 345459798.

The previous prime is 345459773. The next prime is 345459853. The reversal of 345459799 is 997954543.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345459799 - 2¹¹ = 345457751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345459739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172729899 + 172729900.

It is an arithmetic number, because the mean of its divisors is an integer number (172729900).

Almost surely, 2^345459799 is an apocalyptic number.

345459799 is a deficient number, since it is larger than the sum of its proper divisors (1).

345459799 is an equidigital number, since it uses as much as digits as its factorization.

345459799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6123600, while the sum is 55.

The square root of 345459799 is about 18586.5488727736. The cubic root of 345459799 is about 701.6693484538.

It can be divided in two parts, 34545 and 9799, that added together give a palindrome (44344).

The spelling of 345459799 in words is "three hundred forty-five million, four hundred fifty-nine thousand, seven hundred ninety-nine".