1445420245441 has 8 divisors (see below), whose sum is σ = 1495440815400. Its totient is φ = 1395411575040.

The previous prime is 1445420245343. The next prime is 1445420245447.

1445420245441 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 663363009841 + 782057235600 = 814471^2 + 884340^2 .

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 1445420245441 - 2¹³ = 1445420237249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1445420245394 and 1445420245403.

It is not an unprimeable number, because it can be changed into a prime (1445420245447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2727400 + ... + 3213961.

It is an arithmetic number, because the mean of its divisors is an integer number (186930101925).

Almost surely, 2^{1445420245441} is an apocalyptic number.

It is an amenable number.

1445420245441 is a deficient number, since it is larger than the sum of its proper divisors (50020569959).

1445420245441 is an equidigital number, since it uses as much as digits as its factorization.

1445420245441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5949779.

The product of its (nonzero) digits is 409600, while the sum is 40.

The spelling of 1445420245441 in words is "one trillion, four hundred forty-five billion, four hundred twenty million, two hundred forty-five thousand, four hundred forty-one".