1443650802145 has 4 divisors (see below), whose sum is σ = 1732380962580. Its totient is φ = 1154920641712.

The previous prime is 1443650802107. The next prime is 1443650802151. The reversal of 1443650802145 is 5412080563441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1133356126464 + 310294675681 = 1064592^2 + 557041^2 .

It is a cyclic number.

It is not a de Polignac number, because 1443650802145 - 2¹⁹ = 1443650277857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144365080210 + ... + 144365080219.

It is an arithmetic number, because the mean of its divisors is an integer number (433095240645).

Almost surely, 2^{1443650802145} is an apocalyptic number.

It is an amenable number.

1443650802145 is a deficient number, since it is larger than the sum of its proper divisors (288730160435).

1443650802145 is an equidigital number, since it uses as much as digits as its factorization.

1443650802145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288730160434.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 1443650802145 in words is "one trillion, four hundred forty-three billion, six hundred fifty million, eight hundred two thousand, one hundred forty-five".