148309812 has 48 divisors (see below), whose sum is σ = 439438720. Its totient is φ = 42374016.

The previous prime is 148309787. The next prime is 148309823. The reversal of 148309812 is 218903841.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97333 + ... + 98844.

Almost surely, 2^148309812 is an apocalyptic number.

148309812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

148309812 is an abundant number, since it is smaller than the sum of its proper divisors (291128908).

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

148309812 is a wasteful number, since it uses less digits than its factorization.

148309812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196197 (or 196189 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 148309812 is about 12178.2515986491. The cubic root of 148309812 is about 529.3260830488.

It can be divided in two parts, 14830 and 9812, that added together give a palindrome (24642).

The spelling of 148309812 in words is "one hundred forty-eight million, three hundred nine thousand, eight hundred twelve".