146225215313 has 4 divisors (see below), whose sum is σ = 146257852068. Its totient is φ = 146192578560.

The previous prime is 146225215277. The next prime is 146225215363. The reversal of 146225215313 is 313512522641.

146225215313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 136982892544 + 9242322769 = 370112^2 + 96137^2 .

It is a cyclic number.

It is not a de Polignac number, because 146225215313 - 2⁶ = 146225215249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146225215363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16311656 + ... + 16320617.

It is an arithmetic number, because the mean of its divisors is an integer number (36564463017).

Almost surely, 2^146225215313 is an apocalyptic number.

It is an amenable number.

146225215313 is a deficient number, since it is larger than the sum of its proper divisors (32636755).

146225215313 is an equidigital number, since it uses as much as digits as its factorization.

146225215313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32636754.

The product of its digits is 43200, while the sum is 35.

Adding to 146225215313 its reverse (313512522641), we get a palindrome (459737737954).

The spelling of 146225215313 in words is "one hundred forty-six billion, two hundred twenty-five million, two hundred fifteen thousand, three hundred thirteen".