345413815 has 4 divisors (see below), whose sum is σ = 414496584. Its totient is φ = 276331048.

The previous prime is 345413791. The next prime is 345413819. The reversal of 345413815 is 518314543.

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 345413815 - 2⁹ = 345413303 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 (345413819) 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, 34541377 + ... + 34541386.

It is an arithmetic number, because the mean of its divisors is an integer number (103624146).

Almost surely, 2^345413815 is an apocalyptic number.

345413815 is a deficient number, since it is larger than the sum of its proper divisors (69082769).

345413815 is an equidigital number, since it uses as much as digits as its factorization.

345413815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69082768.

The product of its digits is 28800, while the sum is 34.

The square root of 345413815 is about 18585.3118079843. The cubic root of 345413815 is about 701.6382141075.

The spelling of 345413815 in words is "three hundred forty-five million, four hundred thirteen thousand, eight hundred fifteen".