345316451 has 4 divisors (see below), whose sum is σ = 345489672. Its totient is φ = 345143232.

The previous prime is 345316441. The next prime is 345316453. The reversal of 345316451 is 154613543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154613543 = 7 ⋅22087649.

It is a cyclic number.

It is not a de Polignac number, because 345316451 - 2¹⁰ = 345315427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345316453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83585 + ... + 87618.

It is an arithmetic number, because the mean of its divisors is an integer number (86372418).

Almost surely, 2^345316451 is an apocalyptic number.

345316451 is a deficient number, since it is larger than the sum of its proper divisors (173221).

345316451 is a wasteful number, since it uses less digits than its factorization.

345316451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173220.

The product of its digits is 21600, while the sum is 32.

The square root of 345316451 is about 18582.6922430524. The cubic root of 345316451 is about 701.5722828294.

Adding to 345316451 its reverse (154613543), we get a palindrome (499929994).

The spelling of 345316451 in words is "three hundred forty-five million, three hundred sixteen thousand, four hundred fifty-one".