1443464540645 has 8 divisors (see below), whose sum is σ = 1732582751256. Its totient is φ = 1154488097536.

The previous prime is 1443464540473. The next prime is 1443464540717. The reversal of 1443464540645 is 5460454643441.

It can be written as a sum of positive squares in 4 ways, for example, as 5957061124 + 1437507479521 = 77182^2 + 1198961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1443464540645 - 2¹⁴ = 1443464524261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1443464540593 and 1443464540602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35419472 + ... + 35460201.

It is an arithmetic number, because the mean of its divisors is an integer number (216572843907).

Almost surely, 2^{1443464540645} is an apocalyptic number.

It is an amenable number.

1443464540645 is a deficient number, since it is larger than the sum of its proper divisors (289118210611).

1443464540645 is an equidigital number, since it uses as much as digits as its factorization.

1443464540645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70883751.

The product of its (nonzero) digits is 11059200, while the sum is 50.

The spelling of 1443464540645 in words is "one trillion, four hundred forty-three billion, four hundred sixty-four million, five hundred forty thousand, six hundred forty-five".