345112193 has 4 divisors (see below), whose sum is σ = 346455300. Its totient is φ = 343769088.

The previous prime is 345112177. The next prime is 345112231. The reversal of 345112193 is 391211543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 391211543 = 1327 ⋅294809.

It can be written as a sum of positive squares in 2 ways, for example, as 167236624 + 177875569 = 12932^2 + 13337^2 .

It is a cyclic number.

It is not a de Polignac number, because 345112193 - 2⁴ = 345112177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (345112123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671168 + ... + 671681.

It is an arithmetic number, because the mean of its divisors is an integer number (86613825).

Almost surely, 2^345112193 is an apocalyptic number.

It is an amenable number.

345112193 is a deficient number, since it is larger than the sum of its proper divisors (1343107).

345112193 is a wasteful number, since it uses less digits than its factorization.

345112193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343106.

The product of its digits is 3240, while the sum is 29.

The square root of 345112193 is about 18577.1955095488. The cubic root of 345112193 is about 701.4339266299.

The spelling of 345112193 in words is "three hundred forty-five million, one hundred twelve thousand, one hundred ninety-three".