1345254324305 has 4 divisors (see below), whose sum is σ = 1614305189172. Its totient is φ = 1076203459440.

The previous prime is 1345254324301. The next prime is 1345254324367. The reversal of 1345254324305 is 5034234525431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 672716557249 + 672537767056 = 820193^2 + 820084^2 .

It is not a de Polignac number, because 1345254324305 - 2² = 1345254324301 is a prime.

It is a super-2 number, since 2×1345254324305² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345254324301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134525432426 + ... + 134525432435.

It is an arithmetic number, because the mean of its divisors is an integer number (403576297293).

Almost surely, 2^{1345254324305} is an apocalyptic number.

It is an amenable number.

1345254324305 is a deficient number, since it is larger than the sum of its proper divisors (269050864867).

1345254324305 is an equidigital number, since it uses as much as digits as its factorization.

1345254324305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269050864866.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 1345254324305 its reverse (5034234525431), we get a palindrome (6379488849736).

The spelling of 1345254324305 in words is "one trillion, three hundred forty-five billion, two hundred fifty-four million, three hundred twenty-four thousand, three hundred five".