144914991806 has 16 divisors (see below), whose sum is σ = 239074161984. Its totient is φ = 65460781344.

The previous prime is 144914991797. The next prime is 144914991839. The reversal of 144914991806 is 608199419441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59292965 + ... + 59295408.

It is an arithmetic number, because the mean of its divisors is an integer number (14942135124).

Almost surely, 2^144914991806 is an apocalyptic number.

144914991806 is a deficient number, since it is larger than the sum of its proper divisors (94159170178).

144914991806 is a wasteful number, since it uses less digits than its factorization.

144914991806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118588435.

The product of its (nonzero) digits is 2239488, while the sum is 56.

The spelling of 144914991806 in words is "one hundred forty-four billion, nine hundred fourteen million, nine hundred ninety-one thousand, eight hundred six".