1345914481247 has 16 divisors (see below), whose sum is σ = 1546033574400. Its totient is φ = 1147757659488.

The previous prime is 1345914481243. The next prime is 1345914481259. The reversal of 1345914481247 is 7421844195431.

It is a cyclic number.

It is not a de Polignac number, because 1345914481247 - 2² = 1345914481243 is a prime.

It is a super-2 number, since 2×1345914481247² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345914481243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24485168 + ... + 24540074.

It is an arithmetic number, because the mean of its divisors is an integer number (96627098400).

Almost surely, 2^{1345914481247} is an apocalyptic number.

1345914481247 is a deficient number, since it is larger than the sum of its proper divisors (200119093153).

1345914481247 is a wasteful number, since it uses less digits than its factorization.

1345914481247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72710.

The product of its digits is 3870720, while the sum is 53.

The spelling of 1345914481247 in words is "one trillion, three hundred forty-five billion, nine hundred fourteen million, four hundred eighty-one thousand, two hundred forty-seven".