141780865444 has 27 divisors (see below), whose sum is σ = 252472276651. Its totient is φ = 69667060760.

The previous prime is 141780865417. The next prime is 141780865477. The reversal of 141780865444 is 444568087141.

The square root of 141780865444 is 376538.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141780865391 and 141780865400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 44429889 + ... + 44433079.

Almost surely, 2^141780865444 is an apocalyptic number.

141780865444 is the 376538-th square number.

It is an amenable number.

141780865444 is a deficient number, since it is larger than the sum of its proper divisors (110691411207).

141780865444 is an frugal number, since it uses more digits than its factorization.

141780865444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6504 (or 3252 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 52.

The spelling of 141780865444 in words is "one hundred forty-one billion, seven hundred eighty million, eight hundred sixty-five thousand, four hundred forty-four".