148221232 has 40 divisors (see below), whose sum is σ = 311511312. Its totient is φ = 68044800.

The previous prime is 148221217. The next prime is 148221247. The reversal of 148221232 is 232122841.

It is an interprime number because it is at equal distance from previous prime (148221217) and next prime (148221247).

It is a junction number, because it is equal to n+sod(n) for n = 148221197 and 148221206.

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 7 ways as a sum of consecutive naturals, for example, 4507 + ... + 17797.

Almost surely, 2^148221232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148221232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155755656).

148221232 is an abundant number, since it is smaller than the sum of its proper divisors (163290080).

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

148221232 is a wasteful number, since it uses less digits than its factorization.

148221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13357 (or 13351 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 148221232 is about 12174.6142444022. The cubic root of 148221232 is about 529.2206797230.

The spelling of 148221232 in words is "one hundred forty-eight million, two hundred twenty-one thousand, two hundred thirty-two".