148669 has 2 divisors, whose sum is σ = 148670. Its totient is φ = 148668.

The previous prime is 148667. The next prime is 148691. The reversal of 148669 is 966841.

148669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131769 + 16900 = 363^2 + 130^2 .

It is a cyclic number.

It is not a de Polignac number, because 148669 - 2¹ = 148667 is a prime.

It is a super-2 number, since 2×148669² = 44204943122, which contains 22 as substring.

Together with 148667, it forms a pair of twin primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74334 + 74335.

It is an arithmetic number, because the mean of its divisors is an integer number (74335).

2¹⁴⁸⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

148669 is a deficient number, since it is larger than the sum of its proper divisors (1).

148669 is an equidigital number, since it uses as much as digits as its factorization.

148669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 148669 is about 385.5761922111. The cubic root of 148669 is about 52.9753059282.

The spelling of 148669 in words is "one hundred forty-eight thousand, six hundred sixty-nine".