144111665402 has 8 divisors (see below), whose sum is σ = 216169713012. Its totient is φ = 72055094400.

The previous prime is 144111665353. The next prime is 144111665497. The reversal of 144111665402 is 204566111441.

It can be written as a sum of positive squares in 2 ways, for example, as 141743967121 + 2367698281 = 376489^2 + 48659^2 .

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

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, 79799 + ... + 542762.

Almost surely, 2^144111665402 is an apocalyptic number.

144111665402 is a deficient number, since it is larger than the sum of its proper divisors (72058047610).

144111665402 is a wasteful number, since it uses less digits than its factorization.

144111665402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738304.

The product of its (nonzero) digits is 23040, while the sum is 35.

Adding to 144111665402 its reverse (204566111441), we get a palindrome (348677776843).

The spelling of 144111665402 in words is "one hundred forty-four billion, one hundred eleven million, six hundred sixty-five thousand, four hundred two".