1344623145405 has 32 divisors (see below), whose sum is σ = 2159315915904. Its totient is φ = 714493464576.

The previous prime is 1344623145347. The next prime is 1344623145497. The reversal of 1344623145405 is 5045413264431.

It is not a de Polignac number, because 1344623145405 - 2¹⁴ = 1344623129021 is a prime.

It is a super-2 number, since 2×1344623145405² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35201677 + ... + 35239853.

It is an arithmetic number, because the mean of its divisors is an integer number (67478622372).

Almost surely, 2^{1344623145405} is an apocalyptic number.

1344623145405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1344623145405 is a deficient number, since it is larger than the sum of its proper divisors (814692770499).

1344623145405 is a wasteful number, since it uses less digits than its factorization.

1344623145405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46765.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 1344623145405 in words is "one trillion, three hundred forty-four billion, six hundred twenty-three million, one hundred forty-five thousand, four hundred five".