1344646412145 has 96 divisors (see below), whose sum is σ = 2438577648000. Its totient is φ = 684947653632.

The previous prime is 1344646412129. The next prime is 1344646412147. The reversal of 1344646412145 is 5412146464431.

It is a happy number.

1344646412145 is a `hidden beast` number, since 1 + 3 + 4 + 46 + 464 + 1 + 2 + 145 = 666.

It is not a de Polignac number, because 1344646412145 - 2⁴ = 1344646412129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1344646412145.

It is not an unprimeable number, because it can be changed into a prime (1344646412147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12933831 + ... + 13037379.

It is an arithmetic number, because the mean of its divisors is an integer number (25401850500).

Almost surely, 2^{1344646412145} is an apocalyptic number.

1344646412145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1344646412145 is a deficient number, since it is larger than the sum of its proper divisors (1093931235855).

1344646412145 is a wasteful number, since it uses less digits than its factorization.

1344646412145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103759 (or 103756 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The spelling of 1344646412145 in words is "one trillion, three hundred forty-four billion, six hundred forty-six million, four hundred twelve thousand, one hundred forty-five".