146050809 has 4 divisors (see below), whose sum is σ = 194734416. Its totient is φ = 97367204.

The previous prime is 146050799. The next prime is 146050811. The reversal of 146050809 is 908050641.

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 146050809 - 2¹² = 146046713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146050809.

It is not an unprimeable number, because it can be changed into a prime (146050819) 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, 24341799 + ... + 24341804.

It is an arithmetic number, because the mean of its divisors is an integer number (48683604).

Almost surely, 2^146050809 is an apocalyptic number.

It is an amenable number.

146050809 is a deficient number, since it is larger than the sum of its proper divisors (48683607).

146050809 is an equidigital number, since it uses as much as digits as its factorization.

146050809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48683606.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 146050809 is about 12085.1482820857. The cubic root of 146050809 is about 526.6248183292.

The spelling of 146050809 in words is "one hundred forty-six million, fifty thousand, eight hundred nine".