146335544813 has 4 divisors (see below), whose sum is σ = 147144028668. Its totient is φ = 145527060960.

The previous prime is 146335544809. The next prime is 146335544819. The reversal of 146335544813 is 318445533641.

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 43565290729 + 102770254084 = 208723^2 + 320578^2 .

It is a cyclic number.

It is not a de Polignac number, because 146335544813 - 2² = 146335544809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146335544819) 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, 404241656 + ... + 404242017.

It is an arithmetic number, because the mean of its divisors is an integer number (36786007167).

Almost surely, 2^146335544813 is an apocalyptic number.

It is an amenable number.

146335544813 is a deficient number, since it is larger than the sum of its proper divisors (808483855).

146335544813 is an equidigital number, since it uses as much as digits as its factorization.

146335544813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808483854.

The product of its digits is 2073600, while the sum is 47.

The spelling of 146335544813 in words is "one hundred forty-six billion, three hundred thirty-five million, five hundred forty-four thousand, eight hundred thirteen".