148316217 has 16 divisors (see below), whose sum is σ = 229104000. Its totient is φ = 83590272.

The previous prime is 148316209. The next prime is 148316221. The reversal of 148316217 is 712613841.

It is not a de Polignac number, because 148316217 - 2³ = 148316209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148316297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46842 + ... + 49907.

It is an arithmetic number, because the mean of its divisors is an integer number (14319000).

Almost surely, 2^148316217 is an apocalyptic number.

It is an amenable number.

148316217 is a deficient number, since it is larger than the sum of its proper divisors (80787783).

148316217 is an equidigital number, since it uses as much as digits as its factorization.

148316217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96832.

The product of its digits is 8064, while the sum is 33.

The square root of 148316217 is about 12178.5145645928. The cubic root of 148316217 is about 529.3337028745. Note that the first 3 decimals are identical.

The spelling of 148316217 in words is "one hundred forty-eight million, three hundred sixteen thousand, two hundred seventeen".