148388646 has 16 divisors (see below), whose sum is σ = 339174144. Its totient is φ = 42396744.

The previous prime is 148388641. The next prime is 148388659. The reversal of 148388646 is 646883841.

148388646 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 148388595 and 148388604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148388641) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1766490 + ... + 1766573.

It is an arithmetic number, because the mean of its divisors is an integer number (21198384).

Almost surely, 2^148388646 is an apocalyptic number.

148388646 is an abundant number, since it is smaller than the sum of its proper divisors (190785498).

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

148388646 is a wasteful number, since it uses less digits than its factorization.

148388646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533075.

The product of its digits is 884736, while the sum is 48.

The square root of 148388646 is about 12181.4878401614. The cubic root of 148388646 is about 529.4198541001.

The spelling of 148388646 in words is "one hundred forty-eight million, three hundred eighty-eight thousand, six hundred forty-six".