148194523 has 4 divisors (see below), whose sum is σ = 149859720. Its totient is φ = 146529328.

The previous prime is 148194503. The next prime is 148194533. The reversal of 148194523 is 325491841.

148194523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325491841 = 149 ⋅2184509.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148194523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148194503) 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, 832465 + ... + 832642.

It is an arithmetic number, because the mean of its divisors is an integer number (37464930).

Almost surely, 2^148194523 is an apocalyptic number.

148194523 is a deficient number, since it is larger than the sum of its proper divisors (1665197).

148194523 is an equidigital number, since it uses as much as digits as its factorization.

148194523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665196.

The product of its digits is 34560, while the sum is 37.

The square root of 148194523 is about 12173.5172813776. The cubic root of 148194523 is about 529.1888898459.

The spelling of 148194523 in words is "one hundred forty-eight million, one hundred ninety-four thousand, five hundred twenty-three".