148517 has 2 divisors, whose sum is σ = 148518. Its totient is φ = 148516.

The previous prime is 148513. The next prime is 148531. The reversal of 148517 is 715841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75076 + 73441 = 274^2 + 271^2 .

It is a cyclic number.

It is not a de Polignac number, because 148517 - 2² = 148513 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 148517.

It is not a weakly prime, because it can be changed into another prime (148513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74258 + 74259.

It is an arithmetic number, because the mean of its divisors is an integer number (74259).

2¹⁴⁸⁵¹⁷ is an apocalyptic number.

It is an amenable number.

148517 is a deficient number, since it is larger than the sum of its proper divisors (1).

148517 is an equidigital number, since it uses as much as digits as its factorization.

148517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120, while the sum is 26.

The square root of 148517 is about 385.3790341988. The cubic root of 148517 is about 52.9572456909.

The spelling of 148517 in words is "one hundred forty-eight thousand, five hundred seventeen".