1345243514515 has 16 divisors (see below), whose sum is σ = 1619277047136. Its totient is φ = 1072875456000.

The previous prime is 1345243514473. The next prime is 1345243514543. The reversal of 1345243514515 is 5154153425431.

It is not a de Polignac number, because 1345243514515 - 2³⁹ = 795487700627 is a prime.

It is a super-2 number, since 2×1345243514515² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2554365 + ... + 3035665.

It is an arithmetic number, because the mean of its divisors is an integer number (101204815446).

Almost surely, 2^{1345243514515} is an apocalyptic number.

1345243514515 is a deficient number, since it is larger than the sum of its proper divisors (274033532621).

1345243514515 is a wasteful number, since it uses less digits than its factorization.

1345243514515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483030.

The product of its digits is 720000, while the sum is 43.

Adding to 1345243514515 its reverse (5154153425431), we get a palindrome (6499396939946).

The spelling of 1345243514515 in words is "one trillion, three hundred forty-five billion, two hundred forty-three million, five hundred fourteen thousand, five hundred fifteen".