146019073 has 4 divisors (see below), whose sum is σ = 146089540. Its totient is φ = 145948608.

The previous prime is 146019059. The next prime is 146019077. The reversal of 146019073 is 370910641.

It is a happy number.

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 73564929 + 72454144 = 8577^2 + 8512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146019073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146019077) 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, 32028 + ... + 36301.

It is an arithmetic number, because the mean of its divisors is an integer number (36522385).

Almost surely, 2^146019073 is an apocalyptic number.

It is an amenable number.

146019073 is a deficient number, since it is larger than the sum of its proper divisors (70467).

146019073 is an equidigital number, since it uses as much as digits as its factorization.

146019073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70466.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 146019073 is about 12083.8351941757. The cubic root of 146019073 is about 526.5866713856.

The spelling of 146019073 in words is "one hundred forty-six million, nineteen thousand, seventy-three".