1345154345517 has 4 divisors (see below), whose sum is σ = 1793539127360. Its totient is φ = 896769563676.

The previous prime is 1345154345503. The next prime is 1345154345533. The reversal of 1345154345517 is 7155434515431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1345154345517 - 2⁶ = 1345154345453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345154345317) 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, 224192390917 + ... + 224192390922.

It is an arithmetic number, because the mean of its divisors is an integer number (448384781840).

Almost surely, 2^{1345154345517} is an apocalyptic number.

It is an amenable number.

1345154345517 is a deficient number, since it is larger than the sum of its proper divisors (448384781843).

1345154345517 is an equidigital number, since it uses as much as digits as its factorization.

1345154345517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448384781842.

The product of its digits is 2520000, while the sum is 48.

The spelling of 1345154345517 in words is "one trillion, three hundred forty-five billion, one hundred fifty-four million, three hundred forty-five thousand, five hundred seventeen".