146673345 has 32 divisors (see below), whose sum is σ = 288836352. Its totient is φ = 61892352.

The previous prime is 146673337. The next prime is 146673347. The reversal of 146673345 is 543376641.

It is not a de Polignac number, because 146673345 - 2³ = 146673337 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (146673347) 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 31 ways as a sum of consecutive naturals, for example, 52362 + ... + 55091.

It is an arithmetic number, because the mean of its divisors is an integer number (9026136).

Almost surely, 2^146673345 is an apocalyptic number.

146673345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146673345 is a deficient number, since it is larger than the sum of its proper divisors (142163007).

146673345 is a wasteful number, since it uses less digits than its factorization.

146673345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107481.

The product of its digits is 181440, while the sum is 39.

The square root of 146673345 is about 12110.8771358643. The cubic root of 146673345 is about 527.3719971229.

The spelling of 146673345 in words is "one hundred forty-six million, six hundred seventy-three thousand, three hundred forty-five".