144781888373674 has 8 divisors (see below), whose sum is σ = 217174016169540. Its totient is φ = 72390549650496.

The previous prime is 144781888373659. The next prime is 144781888373687. The reversal of 144781888373674 is 476373888187441.

It can be written as a sum of positive squares in 2 ways, for example, as 138484764882025 + 6297123491649 = 11767955^2 + 2509407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 144781888373594 and 144781888373603.

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, 196809249 + ... + 197543524.

Almost surely, 2^{144781888373674} is an apocalyptic number.

144781888373674 is a deficient number, since it is larger than the sum of its proper divisors (72392127795866).

144781888373674 is a wasteful number, since it uses less digits than its factorization.

144781888373674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394536344.

The product of its digits is 4855431168, while the sum is 79.

The spelling of 144781888373674 in words is "one hundred forty-four trillion, seven hundred eighty-one billion, eight hundred eighty-eight million, three hundred seventy-three thousand, six hundred seventy-four".