146148173 has 4 divisors (see below), whose sum is σ = 146385660. Its totient is φ = 145910688.

The previous prime is 146148157. The next prime is 146148199. The reversal of 146148173 is 371841641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 371841641 = 2707 ⋅137363.

It can be written as a sum of positive squares in 2 ways, for example, as 40921609 + 105226564 = 6397^2 + 10258^2 .

It is a cyclic number.

It is not a de Polignac number, because 146148173 - 2⁴ = 146148157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146148773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117818 + ... + 119051.

It is an arithmetic number, because the mean of its divisors is an integer number (36596415).

Almost surely, 2^146148173 is an apocalyptic number.

It is an amenable number.

146148173 is a deficient number, since it is larger than the sum of its proper divisors (237487).

146148173 is an equidigital number, since it uses as much as digits as its factorization.

146148173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237486.

The product of its digits is 16128, while the sum is 35.

The square root of 146148173 is about 12089.1758610751. The cubic root of 146148173 is about 526.7418162184.

The spelling of 146148173 in words is "one hundred forty-six million, one hundred forty-eight thousand, one hundred seventy-three".