345342415 has 8 divisors (see below), whose sum is σ = 452084688. Its totient is φ = 251158080.

The previous prime is 345342397. The next prime is 345342421. The reversal of 345342415 is 514243543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345342415 - 2⁷ = 345342287 is a prime.

It is a super-2 number, since 2×345342415² = 238522767196064450, which contains 22 as substring.

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, 3139422 + ... + 3139531.

It is an arithmetic number, because the mean of its divisors is an integer number (56510586).

Almost surely, 2^345342415 is an apocalyptic number.

345342415 is a deficient number, since it is larger than the sum of its proper divisors (106742273).

345342415 is a wasteful number, since it uses less digits than its factorization.

345342415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6278969.

The product of its digits is 28800, while the sum is 31.

The square root of 345342415 is about 18583.3908369813. The cubic root of 345342415 is about 701.5898658958.

Adding to 345342415 its reverse (514243543), we get a palindrome (859585958).

The spelling of 345342415 in words is "three hundred forty-five million, three hundred forty-two thousand, four hundred fifteen".