345811194 has 20 divisors (see below), whose sum is σ = 774873594. Its totient is φ = 115270344.

The previous prime is 345811189. The next prime is 345811201. The reversal of 345811194 is 491118543.

345811194 is a `hidden beast` number, since 3 + 458 + 11 + 194 = 666.

It can be written as a sum of positive squares in only one way, i.e., 342731169 + 3080025 = 18513^2 + 1755^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1067157 + ... + 1067480.

Almost surely, 2^345811194 is an apocalyptic number.

345811194 is an abundant number, since it is smaller than the sum of its proper divisors (429062400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345811194 is a wasteful number, since it uses less digits than its factorization.

345811194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134651 (or 2134642 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 345811194 is about 18595.9994084749. Note that the first 3 decimals coincide. The cubic root of 345811194 is about 701.9071759800.

The spelling of 345811194 in words is "three hundred forty-five million, eight hundred eleven thousand, one hundred ninety-four".