345101215 has 8 divisors (see below), whose sum is σ = 417992400. Its totient is φ = 273500352.

The previous prime is 345101171. The next prime is 345101221. The reversal of 345101215 is 512101543.

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 not a de Polignac number, because 345101215 - 2⁷ = 345101087 is a prime.

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, 321990 + ... + 323059.

It is an arithmetic number, because the mean of its divisors is an integer number (52249050).

Almost surely, 2^345101215 is an apocalyptic number.

345101215 is a deficient number, since it is larger than the sum of its proper divisors (72891185).

345101215 is a wasteful number, since it uses less digits than its factorization.

345101215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645161.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 345101215 is about 18576.9000374121. The cubic root of 345101215 is about 701.4264890261.

Adding to 345101215 its reverse (512101543), we get a palindrome (857202758).

The spelling of 345101215 in words is "three hundred forty-five million, one hundred one thousand, two hundred fifteen".