148856228 has 6 divisors (see below), whose sum is σ = 260498406. Its totient is φ = 74428112.

The previous prime is 148856209. The next prime is 148856237. The reversal of 148856228 is 822658841.

It can be written as a sum of positive squares in only one way, i.e., 137780644 + 11075584 = 11738^2 + 3328^2 .

It is a super-2 number, since 2×148856228² = 44316353228775968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18607025 + ... + 18607032.

It is an arithmetic number, because the mean of its divisors is an integer number (43416401).

Almost surely, 2^148856228 is an apocalyptic number.

It is an amenable number.

148856228 is a deficient number, since it is larger than the sum of its proper divisors (111642178).

148856228 is a wasteful number, since it uses less digits than its factorization.

148856228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37214061 (or 37214059 counting only the distinct ones).

The product of its digits is 245760, while the sum is 44.

The square root of 148856228 is about 12200.6650638398. The cubic root of 148856228 is about 529.9753495121.

The spelling of 148856228 in words is "one hundred forty-eight million, eight hundred fifty-six thousand, two hundred twenty-eight".