149000665144 has 16 divisors (see below), whose sum is σ = 279416451600. Its totient is φ = 74489611392.

The previous prime is 149000665123. The next prime is 149000665169. The reversal of 149000665144 is 441566000941.

It is a junction number, because it is equal to n+sod(n) for n = 149000665097 and 149000665106.

It is a congruent 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, 1280929 + ... + 1392400.

It is an arithmetic number, because the mean of its divisors is an integer number (17463528225).

Almost surely, 2^149000665144 is an apocalyptic number.

It is an amenable number.

149000665144 is a deficient number, since it is larger than the sum of its proper divisors (130415786456).

149000665144 is a wasteful number, since it uses less digits than its factorization.

149000665144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680302 (or 2680298 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 149000665144 in words is "one hundred forty-nine billion, six hundred sixty-five thousand, one hundred forty-four".