345244199 has 2 divisors, whose sum is σ = 345244200. Its totient is φ = 345244198.

The previous prime is 345244147. The next prime is 345244219. The reversal of 345244199 is 991442543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345244199 - 2¹⁶ = 345178663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345244139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172622099 + 172622100.

It is an arithmetic number, because the mean of its divisors is an integer number (172622100).

Almost surely, 2^345244199 is an apocalyptic number.

345244199 is a deficient number, since it is larger than the sum of its proper divisors (1).

345244199 is an equidigital number, since it uses as much as digits as its factorization.

345244199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The square root of 345244199 is about 18580.7480742838. The cubic root of 345244199 is about 701.5233484523.

The spelling of 345244199 in words is "three hundred forty-five million, two hundred forty-four thousand, one hundred ninety-nine".