148217211 has 6 divisors (see below), whose sum is σ = 214091540. Its totient is φ = 98811468.

The previous prime is 148217207. The next prime is 148217243. The reversal of 148217211 is 112712841.

148217211 is a `hidden beast` number, since 1 + 482 + 172 + 11 = 666.

It is not a de Polignac number, because 148217211 - 2² = 148217207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148217281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8234281 + ... + 8234298.

Almost surely, 2^148217211 is an apocalyptic number.

148217211 is a deficient number, since it is larger than the sum of its proper divisors (65874329).

148217211 is a wasteful number, since it uses less digits than its factorization.

148217211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16468585 (or 16468582 counting only the distinct ones).

The product of its digits is 896, while the sum is 27.

The square root of 148217211 is about 12174.4491045796. The cubic root of 148217211 is about 529.2158940487.

The spelling of 148217211 in words is "one hundred forty-eight million, two hundred seventeen thousand, two hundred eleven".