146673249 has 4 divisors (see below), whose sum is σ = 195564336. Its totient is φ = 97782164.

The previous prime is 146673239. The next prime is 146673257. The reversal of 146673249 is 942376641.

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.

It is a cyclic number.

It is not a de Polignac number, because 146673249 - 2⁹ = 146672737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146673249.

It is not an unprimeable number, because it can be changed into a prime (146673239) 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, 24445539 + ... + 24445544.

It is an arithmetic number, because the mean of its divisors is an integer number (48891084).

Almost surely, 2^146673249 is an apocalyptic number.

It is an amenable number.

146673249 is a deficient number, since it is larger than the sum of its proper divisors (48891087).

146673249 is an equidigital number, since it uses as much as digits as its factorization.

146673249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48891086.

The product of its digits is 217728, while the sum is 42.

The square root of 146673249 is about 12110.8731724843. The cubic root of 146673249 is about 527.3718820651.

The spelling of 146673249 in words is "one hundred forty-six million, six hundred seventy-three thousand, two hundred forty-nine".