148235220 has 144 divisors (see below), whose sum is σ = 521434368. Its totient is φ = 33384960.

The previous prime is 148235203. The next prime is 148235221. The reversal of 148235220 is 22532841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148235221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88632 + ... + 90288.

It is an arithmetic number, because the mean of its divisors is an integer number (3621072).

Almost surely, 2^148235220 is an apocalyptic number.

148235220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148235220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260717184).

148235220 is an abundant number, since it is smaller than the sum of its proper divisors (373199148).

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

148235220 is a wasteful number, since it uses less digits than its factorization.

148235220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750 (or 1745 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 148235220 is about 12175.1887049031. The cubic root of 148235220 is about 529.2373271491.

The spelling of 148235220 in words is "one hundred forty-eight million, two hundred thirty-five thousand, two hundred twenty".