345090194 has 32 divisors (see below), whose sum is σ = 550198656. Its totient is φ = 162103680.

The previous prime is 345090173. The next prime is 345090203. The reversal of 345090194 is 491090543.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324107 + ... + 325169.

It is an arithmetic number, because the mean of its divisors is an integer number (17193708).

Almost surely, 2^345090194 is an apocalyptic number.

345090194 is a deficient number, since it is larger than the sum of its proper divisors (205108462).

345090194 is a wasteful number, since it uses less digits than its factorization.

345090194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 345090194 is about 18576.6034032059. The cubic root of 345090194 is about 701.4190221310.

The spelling of 345090194 in words is "three hundred forty-five million, ninety thousand, one hundred ninety-four".