148812 has 12 divisors (see below), whose sum is σ = 347256. Its totient is φ = 49600.

The previous prime is 148793. The next prime is 148817. The reversal of 148812 is 218841.

Added to its reverse (218841) it gives a triangular number (367653 = T₈₅₇).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×148812² = 44290022688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148817) by changing a digit.

148812 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 6189 + ... + 6212.

It is an arithmetic number, because the mean of its divisors is an integer number (28938).

2¹⁴⁸⁸¹² is an apocalyptic number.

148812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

148812 is an abundant number, since it is smaller than the sum of its proper divisors (198444).

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

148812 is a wasteful number, since it uses less digits than its factorization.

148812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12408 (or 12406 counting only the distinct ones).

The product of its digits is 512, while the sum is 24.

The square root of 148812 is about 385.7615844016. The cubic root of 148812 is about 52.9922855747.

Adding to 148812 its reverse (218841), we get a triangular number (367653 = T₈₅₇).

The spelling of 148812 in words is "one hundred forty-eight thousand, eight hundred twelve".