149212 has 18 divisors (see below), whose sum is σ = 302568. Its totient is φ = 63072.

The previous prime is 149197. The next prime is 149213. The reversal of 149212 is 212941.

149212 = 4² + 5² + ... + 76².

149212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 149212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149213) by changing a digit.

149212 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2008 + ... + 2080.

2¹⁴⁹²¹² is an apocalyptic number.

It is an amenable number.

149212 is an abundant number, since it is smaller than the sum of its proper divisors (153356).

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

149212 is an equidigital number, since it uses as much as digits as its factorization.

149212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 82 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 149212 is about 386.2796914154. The cubic root of 149212 is about 53.0397233943.

It can be divided in two parts, 149 and 212, that added together give a square (361 = 19²).

The spelling of 149212 in words is "one hundred forty-nine thousand, two hundred twelve".