345324505 has 4 divisors (see below), whose sum is σ = 414389412. Its totient is φ = 276259600.

The previous prime is 345324503. The next prime is 345324541. The reversal of 345324505 is 505423543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505423543 = 4219 ⋅119797.

It can be written as a sum of positive squares in 2 ways, for example, as 149548441 + 195776064 = 12229^2 + 13992^2 .

It is not a de Polignac number, because 345324505 - 2¹ = 345324503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345324503) 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, 34532446 + ... + 34532455.

It is an arithmetic number, because the mean of its divisors is an integer number (103597353).

Almost surely, 2^345324505 is an apocalyptic number.

It is an amenable number.

345324505 is a deficient number, since it is larger than the sum of its proper divisors (69064907).

345324505 is an equidigital number, since it uses as much as digits as its factorization.

345324505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69064906.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 345324505 is about 18582.9089488164. The cubic root of 345324505 is about 701.5777371687.

The spelling of 345324505 in words is "three hundred forty-five million, three hundred twenty-four thousand, five hundred five".