146809373 has 4 divisors (see below), whose sum is σ = 147710208. Its totient is φ = 145908540.

The previous prime is 146809367. The next prime is 146809393. The reversal of 146809373 is 373908641.

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 146809373 - 2⁶ = 146809309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146809373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146809393) 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, 450173 + ... + 450498.

It is an arithmetic number, because the mean of its divisors is an integer number (36927552).

Almost surely, 2^146809373 is an apocalyptic number.

It is an amenable number.

146809373 is a deficient number, since it is larger than the sum of its proper divisors (900835).

146809373 is an equidigital number, since it uses as much as digits as its factorization.

146809373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900834.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 146809373 is about 12116.4917777383. The cubic root of 146809373 is about 527.5349787756.

The spelling of 146809373 in words is "one hundred forty-six million, eight hundred nine thousand, three hundred seventy-three".