345146215 has 8 divisors (see below), whose sum is σ = 414519840. Its totient is φ = 275887392.

The previous prime is 345146203. The next prime is 345146231. The reversal of 345146215 is 512641543.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345146215 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21939 + ... + 34228.

It is an arithmetic number, because the mean of its divisors is an integer number (51814980).

Almost surely, 2^345146215 is an apocalyptic number.

345146215 is a deficient number, since it is larger than the sum of its proper divisors (69373625).

345146215 is a wasteful number, since it uses less digits than its factorization.

345146215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57401.

The product of its digits is 14400, while the sum is 31.

The square root of 345146215 is about 18578.1111795575. Note that the first 4 decimals coincide. The cubic root of 345146215 is about 701.4569755604.

Adding to 345146215 its reverse (512641543), we get a palindrome (857787758).

The spelling of 345146215 in words is "three hundred forty-five million, one hundred forty-six thousand, two hundred fifteen".