145040113237 has 2 divisors, whose sum is σ = 145040113238. Its totient is φ = 145040113236.

The previous prime is 145040113223. The next prime is 145040113241. The reversal of 145040113237 is 732311040541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123289467876 + 21750645361 = 351126^2 + 147481^2 .

It is an emirp because it is prime and its reverse (732311040541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145040113237 - 2¹¹ = 145040111189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145040113199 and 145040113208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145040113277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72520056618 + 72520056619.

It is an arithmetic number, because the mean of its divisors is an integer number (72520056619).

Almost surely, 2^145040113237 is an apocalyptic number.

It is an amenable number.

145040113237 is a deficient number, since it is larger than the sum of its proper divisors (1).

145040113237 is an equidigital number, since it uses as much as digits as its factorization.

145040113237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 145040113237 its reverse (732311040541), we get a palindrome (877351153778).

The spelling of 145040113237 in words is "one hundred forty-five billion, forty million, one hundred thirteen thousand, two hundred thirty-seven".