145521225034013 has 2 divisors, whose sum is σ = 145521225034014. Its totient is φ = 145521225034012.

The previous prime is 145521225033973. The next prime is 145521225034033. The reversal of 145521225034013 is 310430522125541.

145521225034013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143187501345604 + 2333723688409 = 11966098^2 + 1527653^2 .

It is a cyclic number.

It is not a de Polignac number, because 145521225034013 - 2¹⁸ = 145521224771869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145521225034033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72760612517006 + 72760612517007.

It is an arithmetic number, because the mean of its divisors is an integer number (72760612517007).

Almost surely, 2^{145521225034013} is an apocalyptic number.

It is an amenable number.

145521225034013 is a deficient number, since it is larger than the sum of its proper divisors (1).

145521225034013 is an equidigital number, since it uses as much as digits as its factorization.

145521225034013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 145521225034013 its reverse (310430522125541), we get a palindrome (455951747159554).

The spelling of 145521225034013 in words is "one hundred forty-five trillion, five hundred twenty-one billion, two hundred twenty-five million, thirty-four thousand, thirteen".