345402193 has 4 divisors (see below), whose sum is σ = 345526948. Its totient is φ = 345277440.

The previous prime is 345402181. The next prime is 345402199. The reversal of 345402193 is 391204543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 194407249 + 150994944 = 13943^2 + 12288^2 .

It is a cyclic number.

It is not a de Polignac number, because 345402193 - 2⁹ = 345401681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345402199) 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, 58128 + ... + 63793.

It is an arithmetic number, because the mean of its divisors is an integer number (86381737).

Almost surely, 2^345402193 is an apocalyptic number.

It is an amenable number.

345402193 is a deficient number, since it is larger than the sum of its proper divisors (124755).

345402193 is a wasteful number, since it uses less digits than its factorization.

345402193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124754.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 345402193 is about 18584.9991390906. Note that the first 3 decimals coincide. The cubic root of 345402193 is about 701.6303447727.

The spelling of 345402193 in words is "three hundred forty-five million, four hundred two thousand, one hundred ninety-three".