148309317 has 24 divisors (see below), whose sum is σ = 235066104. Its totient is φ = 89541504.

The previous prime is 148309261. The next prime is 148309321. The reversal of 148309317 is 713903841.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19236996 + 129072321 = 4386^2 + 11361^2 .

It is not a de Polignac number, because 148309317 - 2⁶ = 148309253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148309367) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5758 + ... + 18159.

It is an arithmetic number, because the mean of its divisors is an integer number (9794421).

Almost surely, 2^148309317 is an apocalyptic number.

It is an amenable number.

148309317 is a deficient number, since it is larger than the sum of its proper divisors (86756787).

148309317 is a wasteful number, since it uses less digits than its factorization.

148309317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23989 (or 23986 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 148309317 is about 12178.2312755178. The cubic root of 148309317 is about 529.3254941538.

The spelling of 148309317 in words is "one hundred forty-eight million, three hundred nine thousand, three hundred seventeen".