148019 has 4 divisors (see below), whose sum is σ = 156744. Its totient is φ = 139296.

The previous prime is 148013. The next prime is 148021. The reversal of 148019 is 910841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 910841 = 19 ⋅47939.

It is a cyclic number.

It is not a de Polignac number, because 148019 - 2¹⁶ = 82483 is a prime.

It is a super-2 number, since 2×148019² = 43819248722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147985 and 148003.

It is not an unprimeable number, because it can be changed into a prime (148013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4337 + ... + 4370.

It is an arithmetic number, because the mean of its divisors is an integer number (39186).

2¹⁴⁸⁰¹⁹ is an apocalyptic number.

148019 is a deficient number, since it is larger than the sum of its proper divisors (8725).

148019 is an equidigital number, since it uses as much as digits as its factorization.

148019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8724.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 148019 is about 384.7323745151. The cubic root of 148019 is about 52.8979881859.

The spelling of 148019 in words is "one hundred forty-eight thousand, nineteen".