145532243114213 has 4 divisors (see below), whose sum is σ = 154092963297420. Its totient is φ = 136971522931008.

The previous prime is 145532243114191. The next prime is 145532243114299. The reversal of 145532243114213 is 312411342235541.

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 107172144350404 + 38360098763809 = 10352398^2 + 6193553^2 .

It is a cyclic number.

It is not a de Polignac number, because 145532243114213 - 2²⁴ = 145532226336997 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 (145532240114213) 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, 4280360091578 + ... + 4280360091611.

It is an arithmetic number, because the mean of its divisors is an integer number (38523240824355).

Almost surely, 2^{145532243114213} is an apocalyptic number.

It is an amenable number.

145532243114213 is a deficient number, since it is larger than the sum of its proper divisors (8560720183207).

145532243114213 is an equidigital number, since it uses as much as digits as its factorization.

145532243114213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8560720183206.

The product of its digits is 345600, while the sum is 41.

Adding to 145532243114213 its reverse (312411342235541), we get a palindrome (457943585349754).

The spelling of 145532243114213 in words is "one hundred forty-five trillion, five hundred thirty-two billion, two hundred forty-three million, one hundred fourteen thousand, two hundred thirteen".