1345145511313 has 4 divisors (see below), whose sum is σ = 1346768124340. Its totient is φ = 1343522898288.

The previous prime is 1345145511271. The next prime is 1345145511319. The reversal of 1345145511313 is 3131155415431.

It is a happy number.

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 854798249809 + 490347261504 = 924553^2 + 700248^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1345145511313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345145511319) 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, 811305270 + ... + 811306927.

It is an arithmetic number, because the mean of its divisors is an integer number (336692031085).

Almost surely, 2^{1345145511313} is an apocalyptic number.

It is an amenable number.

1345145511313 is a deficient number, since it is larger than the sum of its proper divisors (1622613027).

1345145511313 is an equidigital number, since it uses as much as digits as its factorization.

1345145511313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622613026.

The product of its digits is 54000, while the sum is 37.

The spelling of 1345145511313 in words is "one trillion, three hundred forty-five billion, one hundred forty-five million, five hundred eleven thousand, three hundred thirteen".