345424215 has 16 divisors (see below), whose sum is σ = 552923136. Its totient is φ = 184144800.

The previous prime is 345424187. The next prime is 345424217. The reversal of 345424215 is 512424543.

It is not a de Polignac number, because 345424215 - 2¹⁵ = 345391447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345424217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47470 + ... + 54260.

It is an arithmetic number, because the mean of its divisors is an integer number (34557696).

Almost surely, 2^345424215 is an apocalyptic number.

345424215 is a deficient number, since it is larger than the sum of its proper divisors (207498921).

345424215 is a wasteful number, since it uses less digits than its factorization.

345424215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10190.

The product of its digits is 19200, while the sum is 30.

The square root of 345424215 is about 18585.5915967181. The cubic root of 345424215 is about 701.6452558681.

Adding to 345424215 its reverse (512424543), we get a palindrome (857848758).

The spelling of 345424215 in words is "three hundred forty-five million, four hundred twenty-four thousand, two hundred fifteen".