148235321 has 24 divisors (see below), whose sum is σ = 173147520. Its totient is φ = 125750016.

The previous prime is 148235309. The next prime is 148235369. The reversal of 148235321 is 123532841.

It is a happy number.

148235321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-148235321 is a prime.

Its product of digits (5760) is a multiple of the sum of its prime divisors (192).

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 23 ways as a sum of consecutive naturals, for example, 1311761 + ... + 1311873.

It is an arithmetic number, because the mean of its divisors is an integer number (7214480).

Almost surely, 2^148235321 is an apocalyptic number.

It is an amenable number.

148235321 is a deficient number, since it is larger than the sum of its proper divisors (24912199).

148235321 is a wasteful number, since it uses less digits than its factorization.

148235321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 192 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 148235321 is about 12175.1928526820. The cubic root of 148235321 is about 529.2374473476.

The spelling of 148235321 in words is "one hundred forty-eight million, two hundred thirty-five thousand, three hundred twenty-one".