148217817 has 16 divisors (see below), whose sum is σ = 216207360. Its totient is φ = 89571600.

The previous prime is 148217807. The next prime is 148217821. The reversal of 148217817 is 718712841.

It is not a de Polignac number, because 148217817 - 2⁸ = 148217561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148217807) 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 15 ways as a sum of consecutive naturals, for example, 5592 + ... + 18102.

It is an arithmetic number, because the mean of its divisors is an integer number (13512960).

Almost surely, 2^148217817 is an apocalyptic number.

It is an amenable number.

148217817 is a deficient number, since it is larger than the sum of its proper divisors (67989543).

148217817 is a wasteful number, since it uses less digits than its factorization.

148217817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12884.

The product of its digits is 25088, while the sum is 39.

The square root of 148217817 is about 12174.4739927440. The cubic root of 148217817 is about 529.2166152974.

The spelling of 148217817 in words is "one hundred forty-eight million, two hundred seventeen thousand, eight hundred seventeen".