1443137220485 has 8 divisors (see below), whose sum is σ = 1747090016280. Its totient is φ = 1144292875264.

The previous prime is 1443137220467. The next prime is 1443137220493. The reversal of 1443137220485 is 5840227313441.

It can be written as a sum of positive squares in 4 ways, for example, as 72849248836 + 1370287971649 = 269906^2 + 1170593^2 .

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 1443137220485 - 2³⁸ = 1168259313541 is a prime.

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, 1277112020 + ... + 1277113149.

It is an arithmetic number, because the mean of its divisors is an integer number (218386252035).

Almost surely, 2^{1443137220485} is an apocalyptic number.

It is an amenable number.

1443137220485 is a deficient number, since it is larger than the sum of its proper divisors (303952795795).

1443137220485 is a wasteful number, since it uses less digits than its factorization.

1443137220485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554225287.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 1443137220485 in words is "one trillion, four hundred forty-three billion, one hundred thirty-seven million, two hundred twenty thousand, four hundred eighty-five".