146493273 has 4 divisors (see below), whose sum is σ = 195324368. Its totient is φ = 97662180.

The previous prime is 146493251. The next prime is 146493293. The reversal of 146493273 is 372394641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 372394641 = 3 ⋅124131547.

It is not a de Polignac number, because 146493273 - 2¹⁷ = 146362201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146493223) 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, 24415543 + ... + 24415548.

It is an arithmetic number, because the mean of its divisors is an integer number (48831092).

Almost surely, 2^146493273 is an apocalyptic number.

It is an amenable number.

146493273 is a deficient number, since it is larger than the sum of its proper divisors (48831095).

146493273 is an equidigital number, since it uses as much as digits as its factorization.

146493273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48831094.

The product of its digits is 108864, while the sum is 39.

The square root of 146493273 is about 12103.4405439115. The cubic root of 146493273 is about 527.1560891816.

The spelling of 146493273 in words is "one hundred forty-six million, four hundred ninety-three thousand, two hundred seventy-three".