345146451 has 16 divisors (see below), whose sum is σ = 495931296. Its totient is φ = 212253696.

The previous prime is 345146443. The next prime is 345146491. The reversal of 345146451 is 154641543.

It is not a de Polignac number, because 345146451 - 2³ = 345146443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345146491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99421 + ... + 102833.

It is an arithmetic number, because the mean of its divisors is an integer number (30995706).

Almost surely, 2^345146451 is an apocalyptic number.

345146451 is a deficient number, since it is larger than the sum of its proper divisors (150784845).

345146451 is a wasteful number, since it uses less digits than its factorization.

345146451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022.

The product of its digits is 28800, while the sum is 33.

The square root of 345146451 is about 18578.1175311171. The cubic root of 345146451 is about 701.4571354384.

Adding to 345146451 its reverse (154641543), we get a palindrome (499787994).

The spelling of 345146451 in words is "three hundred forty-five million, one hundred forty-six thousand, four hundred fifty-one".