345145415 has 8 divisors (see below), whose sum is σ = 414303120. Its totient is φ = 276030592.

The previous prime is 345145403. The next prime is 345145433. The reversal of 345145415 is 514541543.

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 345145415 - 2¹² = 345141319 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, 10991 + ... + 28479.

It is an arithmetic number, because the mean of its divisors is an integer number (51787890).

Almost surely, 2^345145415 is an apocalyptic number.

345145415 is a deficient number, since it is larger than the sum of its proper divisors (69157705).

345145415 is a wasteful number, since it uses less digits than its factorization.

345145415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21441.

The product of its digits is 24000, while the sum is 32.

The square root of 345145415 is about 18578.0896488310. The cubic root of 345145415 is about 701.4564336007.

Adding to 345145415 its reverse (514541543), we get a palindrome (859686958).

The spelling of 345145415 in words is "three hundred forty-five million, one hundred forty-five thousand, four hundred fifteen".