144661231111406 has 8 divisors (see below), whose sum is σ = 217070666815824. Its totient is φ = 72304342172800.

The previous prime is 144661231111351. The next prime is 144661231111409. The reversal of 144661231111406 is 604111132166441.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144661231111409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13136684570 + ... + 13136695581.

It is an arithmetic number, because the mean of its divisors is an integer number (27133833351978).

Almost surely, 2^{144661231111406} is an apocalyptic number.

144661231111406 is a deficient number, since it is larger than the sum of its proper divisors (72409435704418).

144661231111406 is a wasteful number, since it uses less digits than its factorization.

144661231111406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26273382906.

The product of its (nonzero) digits is 82944, while the sum is 41.

Adding to 144661231111406 its reverse (604111132166441), we get a palindrome (748772363277847).

The spelling of 144661231111406 in words is "one hundred forty-four trillion, six hundred sixty-one billion, two hundred thirty-one million, one hundred eleven thousand, four hundred six".