1443145561446 has 16 divisors (see below), whose sum is σ = 2889772786800. Its totient is φ = 480468243168.

The previous prime is 1443145561411. The next prime is 1443145561493. The reversal of 1443145561446 is 6441655413441.

It is a super-2 number, since 2×1443145561446² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1443145561395 and 1443145561404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145063941 + ... + 145073888.

It is an arithmetic number, because the mean of its divisors is an integer number (180610799175).

Almost surely, 2^{1443145561446} is an apocalyptic number.

1443145561446 is an abundant number, since it is smaller than the sum of its proper divisors (1446627225354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1443145561446 is a wasteful number, since it uses less digits than its factorization.

1443145561446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290138663.

The product of its digits is 2764800, while the sum is 48.

The spelling of 1443145561446 in words is "one trillion, four hundred forty-three billion, one hundred forty-five million, five hundred sixty-one thousand, four hundred forty-six".