345664415 has 8 divisors (see below), whose sum is σ = 428178048. Its totient is φ = 267611040.

The previous prime is 345664411. The next prime is 345664433. The reversal of 345664415 is 514466543.

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

It is not a de Polignac number, because 345664415 - 2² = 345664411 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 (345664411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1114892 + ... + 1115201.

It is an arithmetic number, because the mean of its divisors is an integer number (53522256).

Almost surely, 2^345664415 is an apocalyptic number.

345664415 is a deficient number, since it is larger than the sum of its proper divisors (82513633).

345664415 is a wasteful number, since it uses less digits than its factorization.

345664415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230129.

The product of its digits is 172800, while the sum is 38.

The square root of 345664415 is about 18592.0524687298. The cubic root of 345664415 is about 701.8078541391.

The spelling of 345664415 in words is "three hundred forty-five million, six hundred sixty-four thousand, four hundred fifteen".