1443545256455 has 4 divisors (see below), whose sum is σ = 1732254307752. Its totient is φ = 1154836205160.

The previous prime is 1443545256421. The next prime is 1443545256469. The reversal of 1443545256455 is 5546525453441.

It is a happy number.

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

It is not a de Polignac number, because 1443545256455 - 2¹⁰ = 1443545255431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1443545256397 and 1443545256406.

It is a congruent number.

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, 144354525641 + ... + 144354525650.

It is an arithmetic number, because the mean of its divisors is an integer number (433063576938).

Almost surely, 2^{1443545256455} is an apocalyptic number.

1443545256455 is a deficient number, since it is larger than the sum of its proper divisors (288709051297).

1443545256455 is an equidigital number, since it uses as much as digits as its factorization.

1443545256455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288709051296.

The product of its digits is 28800000, while the sum is 53.

The spelling of 1443545256455 in words is "one trillion, four hundred forty-three billion, five hundred forty-five million, two hundred fifty-six thousand, four hundred fifty-five".