345578214 has 16 divisors (see below), whose sum is σ = 698282928. Its totient is φ = 114004992.

The previous prime is 345578209. The next prime is 345578231. The reversal of 345578214 is 412875543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296307 + ... + 297470.

It is an arithmetic number, because the mean of its divisors is an integer number (43642683).

Almost surely, 2^345578214 is an apocalyptic number.

345578214 is an abundant number, since it is smaller than the sum of its proper divisors (352704714).

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

345578214 is a wasteful number, since it uses less digits than its factorization.

345578214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593879.

The product of its digits is 134400, while the sum is 39.

The square root of 345578214 is about 18589.7341024556. The cubic root of 345578214 is about 701.7495108773.

The spelling of 345578214 in words is "three hundred forty-five million, five hundred seventy-eight thousand, two hundred fourteen".