146167009 has 4 divisors (see below), whose sum is σ = 149732100. Its totient is φ = 142601920.

The previous prime is 146166973. The next prime is 146167027. The reversal of 146167009 is 900761641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67897600 + 78269409 = 8240^2 + 8847^2 .

It is a cyclic number.

It is not a de Polignac number, because 146167009 - 2¹¹ = 146164961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146165009) 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, 1782484 + ... + 1782565.

It is an arithmetic number, because the mean of its divisors is an integer number (37433025).

Almost surely, 2^146167009 is an apocalyptic number.

It is an amenable number.

146167009 is a deficient number, since it is larger than the sum of its proper divisors (3565091).

146167009 is an equidigital number, since it uses as much as digits as its factorization.

146167009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3565090.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 146167009 is about 12089.9548799820. The cubic root of 146167009 is about 526.7644445834.

The spelling of 146167009 in words is "one hundred forty-six million, one hundred sixty-seven thousand, nine".