149966 has 8 divisors (see below), whose sum is σ = 226800. Its totient is φ = 74368.

The previous prime is 149953. The next prime is 149969. The reversal of 149966 is 669941.

149966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110 + ... + 558.

It is an arithmetic number, because the mean of its divisors is an integer number (28350).

2¹⁴⁹⁹⁶⁶ is an apocalyptic number.

149966 is a deficient number, since it is larger than the sum of its proper divisors (76834).

149966 is a wasteful number, since it uses less digits than its factorization.

149966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618.

The product of its digits is 11664, while the sum is 35.

The square root of 149966 is about 387.2544383219. The cubic root of 149966 is about 53.1289136678.

The spelling of 149966 in words is "one hundred forty-nine thousand, nine hundred sixty-six".