146384789 has 4 divisors (see below), whose sum is σ = 146562624. Its totient is φ = 146206956.

The previous prime is 146384761. The next prime is 146384831. The reversal of 146384789 is 987483641.

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 146384789 - 2²⁴ = 129607573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146384729) 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, 87677 + ... + 89330.

It is an arithmetic number, because the mean of its divisors is an integer number (36640656).

Almost surely, 2^146384789 is an apocalyptic number.

It is an amenable number.

146384789 is a deficient number, since it is larger than the sum of its proper divisors (177835).

146384789 is an equidigital number, since it uses as much as digits as its factorization.

146384789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177834.

The product of its digits is 1161216, while the sum is 50.

The square root of 146384789 is about 12098.9581782896. The cubic root of 146384789 is about 527.0259304777.

The spelling of 146384789 in words is "one hundred forty-six million, three hundred eighty-four thousand, seven hundred eighty-nine".