1345408308512 has 24 divisors (see below), whose sum is σ = 2649843839916. Its totient is φ = 672432095232.

The previous prime is 1345408308511. The next prime is 1345408308557. The reversal of 1345408308512 is 2158038045431.

It can be written as a sum of positive squares in 2 ways, for example, as 1309367564176 + 36040744336 = 1144276^2 + 189844^2 .

It is a super-3 number, since 3×1345408308512³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1345408308511) 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, 8421473 + ... + 8579744.

Almost surely, 2^{1345408308512} is an apocalyptic number.

It is an amenable number.

1345408308512 is a deficient number, since it is larger than the sum of its proper divisors (1304435531404).

1345408308512 is a wasteful number, since it uses less digits than its factorization.

1345408308512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17003700 (or 17003692 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 1345408308512 in words is "one trillion, three hundred forty-five billion, four hundred eight million, three hundred eight thousand, five hundred twelve".