149589 has 12 divisors (see below), whose sum is σ = 235872. Its totient is φ = 90600.

The previous prime is 149579. The next prime is 149603. The reversal of 149589 is 985941.

It is not a de Polignac number, because 149589 - 2⁸ = 149333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 657 + ... + 854.

It is an arithmetic number, because the mean of its divisors is an integer number (19656).

2¹⁴⁹⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

149589 is a deficient number, since it is larger than the sum of its proper divisors (86283).

149589 is a wasteful number, since it uses less digits than its factorization.

149589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528 (or 1525 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 149589 is about 386.7673719434. The cubic root of 149589 is about 53.0843559946.

The spelling of 149589 in words is "one hundred forty-nine thousand, five hundred eighty-nine".