149912 has 16 divisors (see below), whose sum is σ = 321360. Its totient is φ = 64224.

The previous prime is 149911. The next prime is 149921. The reversal of 149912 is 219941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149911) 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 3 ways as a sum of consecutive naturals, for example, 1283 + ... + 1394.

It is an arithmetic number, because the mean of its divisors is an integer number (20085).

2¹⁴⁹⁹¹² is an apocalyptic number.

It is an amenable number.

149912 is an abundant number, since it is smaller than the sum of its proper divisors (171448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149912 is a wasteful number, since it uses less digits than its factorization.

149912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690 (or 2686 counting only the distinct ones).

The product of its digits is 648, while the sum is 26.

The square root of 149912 is about 387.1847104419. The cubic root of 149912 is about 53.1225359872.

The spelling of 149912 in words is "one hundred forty-nine thousand, nine hundred twelve".