345488215 has 4 divisors (see below), whose sum is σ = 414585864. Its totient is φ = 276390568.

The previous prime is 345488207. The next prime is 345488219. The reversal of 345488215 is 512884543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345488215 - 2³ = 345488207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345488219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34548817 + ... + 34548826.

It is an arithmetic number, because the mean of its divisors is an integer number (103646466).

Almost surely, 2^345488215 is an apocalyptic number.

345488215 is a deficient number, since it is larger than the sum of its proper divisors (69097649).

345488215 is an equidigital number, since it uses as much as digits as its factorization.

345488215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69097648.

The product of its digits is 153600, while the sum is 40.

The square root of 345488215 is about 18587.3132808376. The cubic root of 345488215 is about 701.6885866687.

The spelling of 345488215 in words is "three hundred forty-five million, four hundred eighty-eight thousand, two hundred fifteen".