1344651026445 has 24 divisors (see below), whose sum is σ = 2453398365600. Its totient is φ = 679402623456.

The previous prime is 1344651026423. The next prime is 1344651026447. The reversal of 1344651026445 is 5446201564431.

1344651026445 is a `hidden beast` number, since 1 + 3 + 44 + 65 + 102 + 6 + 445 = 666.

It is not a de Polignac number, because 1344651026445 - 2⁵ = 1344651026413 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1344651026445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344651026447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 786344775 + ... + 786346484.

It is an arithmetic number, because the mean of its divisors is an integer number (102224931900).

Almost surely, 2^{1344651026445} is an apocalyptic number.

1344651026445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1344651026445 is a deficient number, since it is larger than the sum of its proper divisors (1108747339155).

1344651026445 is a wasteful number, since it uses less digits than its factorization.

1344651026445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572691289 (or 1572691286 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 1344651026445 in words is "one trillion, three hundred forty-four billion, six hundred fifty-one million, twenty-six thousand, four hundred forty-five".