148963317 has 4 divisors (see below), whose sum is σ = 198617760. Its totient is φ = 99308876.

The previous prime is 148963313. The next prime is 148963319. The reversal of 148963317 is 713369841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 713369841 = 3 ⋅237789947.

It is a cyclic number.

It is not a de Polignac number, because 148963317 - 2² = 148963313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148963313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24827217 + ... + 24827222.

It is an arithmetic number, because the mean of its divisors is an integer number (49654440).

Almost surely, 2^148963317 is an apocalyptic number.

It is an amenable number.

148963317 is a deficient number, since it is larger than the sum of its proper divisors (49654443).

148963317 is an equidigital number, since it uses as much as digits as its factorization.

148963317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49654442.

The product of its digits is 108864, while the sum is 42.

The square root of 148963317 is about 12205.0529290126. The cubic root of 148963317 is about 530.1024093076.

The spelling of 148963317 in words is "one hundred forty-eight million, nine hundred sixty-three thousand, three hundred seventeen".