149606644 has 24 divisors (see below), whose sum is σ = 286070400. Its totient is φ = 67894080.

The previous prime is 149606641. The next prime is 149606659. The reversal of 149606644 is 446606941.

149606644 is digitally balanced in base 2, 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 = 149606597 and 149606606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149606641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29272 + ... + 34000.

It is an arithmetic number, because the mean of its divisors is an integer number (11919600).

Almost surely, 2^149606644 is an apocalyptic number.

It is an amenable number.

149606644 is a deficient number, since it is larger than the sum of its proper divisors (136463756).

149606644 is a wasteful number, since it uses less digits than its factorization.

149606644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5463 (or 5461 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 149606644 is about 12231.3794806637. The cubic root of 149606644 is about 530.8644300978.

The spelling of 149606644 in words is "one hundred forty-nine million, six hundred six thousand, six hundred forty-four".