149736644 has 12 divisors (see below), whose sum is σ = 275830800. Its totient is φ = 70927848.

The previous prime is 149736637. The next prime is 149736667. The reversal of 149736644 is 446637941.

149736644 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 149736595 and 149736604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985034 + ... + 985185.

It is an arithmetic number, because the mean of its divisors is an integer number (22985900).

Almost surely, 2^149736644 is an apocalyptic number.

It is an amenable number.

149736644 is a deficient number, since it is larger than the sum of its proper divisors (126094156).

149736644 is a wasteful number, since it uses less digits than its factorization.

149736644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970242 (or 1970240 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 149736644 is about 12236.6925269862. The cubic root of 149736644 is about 531.0181496439.

The spelling of 149736644 in words is "one hundred forty-nine million, seven hundred thirty-six thousand, six hundred forty-four".