345255194 has 8 divisors (see below), whose sum is σ = 545139840. Its totient is φ = 163541916.

The previous prime is 345255173. The next prime is 345255199. The reversal of 345255194 is 491552543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×345255194² = 238402297967955272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 9085663 = 345255194 / (3 + 4 + 5 + 2 + 5 + 5 + 1 + 9 + 4).

It is not an unprimeable number, because it can be changed into a prime (345255199) 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, 4542794 + ... + 4542869.

It is an arithmetic number, because the mean of its divisors is an integer number (68142480).

Almost surely, 2^345255194 is an apocalyptic number.

345255194 is a deficient number, since it is larger than the sum of its proper divisors (199884646).

345255194 is a wasteful number, since it uses less digits than its factorization.

345255194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9085684.

The product of its digits is 108000, while the sum is 38.

The square root of 345255194 is about 18581.0439426852. The cubic root of 345255194 is about 701.5307955167.

The spelling of 345255194 in words is "three hundred forty-five million, two hundred fifty-five thousand, one hundred ninety-four".