1345116447 has 6 divisors (see below), whose sum is σ = 1942945992. Its totient is φ = 896744292.

The previous prime is 1345116439. The next prime is 1345116481. The reversal of 1345116447 is 7446115431.

1345116447 is a `hidden beast` number, since 1 + 3 + 4 + 5 + 1 + 1 + 644 + 7 = 666.

It is not a de Polignac number, because 1345116447 - 2³ = 1345116439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345116427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74728683 + ... + 74728700.

It is an arithmetic number, because the mean of its divisors is an integer number (323824332).

Almost surely, 2^1345116447 is an apocalyptic number.

1345116447 is a deficient number, since it is larger than the sum of its proper divisors (597829545).

1345116447 is a wasteful number, since it uses less digits than its factorization.

1345116447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149457389 (or 149457386 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 1345116447 is about 36675.8291930803. The cubic root of 1345116447 is about 1103.8751606436.

The spelling of 1345116447 in words is "one billion, three hundred forty-five million, one hundred sixteen thousand, four hundred forty-seven".