148252228 has 24 divisors (see below), whose sum is σ = 266797944. Its totient is φ = 72038400.

The previous prime is 148252217. The next prime is 148252243. The reversal of 148252228 is 822252841.

It can be written as a sum of positive squares in 4 ways, for example, as 26193924 + 122058304 = 5118^2 + 11048^2 .

It is a junction number, because it is equal to n+sod(n) for n = 148252193 and 148252202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44476 + ... + 47692.

It is an arithmetic number, because the mean of its divisors is an integer number (11116581).

Almost surely, 2^148252228 is an apocalyptic number.

It is an amenable number.

148252228 is a deficient number, since it is larger than the sum of its proper divisors (118545716).

148252228 is a wasteful number, since it uses less digits than its factorization.

148252228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543 (or 3541 counting only the distinct ones).

The product of its digits is 20480, while the sum is 34.

The square root of 148252228 is about 12175.8871545362. The cubic root of 148252228 is about 529.2575673327.

The spelling of 148252228 in words is "one hundred forty-eight million, two hundred fifty-two thousand, two hundred twenty-eight".