145055425213 has 2 divisors, whose sum is σ = 145055425214. Its totient is φ = 145055425212.

The previous prime is 145055425133. The next prime is 145055425219. The reversal of 145055425213 is 312524550541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113463206649 + 31592218564 = 336843^2 + 177742^2 .

It is a cyclic number.

It is not a de Polignac number, because 145055425213 - 2²¹ = 145053328061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145055425219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72527712606 + 72527712607.

It is an arithmetic number, because the mean of its divisors is an integer number (72527712607).

Almost surely, 2^145055425213 is an apocalyptic number.

It is an amenable number.

145055425213 is a deficient number, since it is larger than the sum of its proper divisors (1).

145055425213 is an equidigital number, since it uses as much as digits as its factorization.

145055425213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 145055425213 its reverse (312524550541), we get a palindrome (457579975754).

The spelling of 145055425213 in words is "one hundred forty-five billion, fifty-five million, four hundred twenty-five thousand, two hundred thirteen".