144394201866 has 8 divisors (see below), whose sum is σ = 288788403744. Its totient is φ = 48131400620.

The previous prime is 144394201823. The next prime is 144394201879. The reversal of 144394201866 is 668102493441.

It is a happy number.

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

144394201866 is an admirable number.

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, 12032850150 + ... + 12032850161.

It is an arithmetic number, because the mean of its divisors is an integer number (36098550468).

Almost surely, 2^144394201866 is an apocalyptic number.

144394201866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

144394201866 is a wasteful number, since it uses less digits than its factorization.

144394201866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24065700316.

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 144394201866 in words is "one hundred forty-four billion, three hundred ninety-four million, two hundred one thousand, eight hundred sixty-six".