145244020202453 has 2 divisors, whose sum is σ = 145244020202454. Its totient is φ = 145244020202452.

The previous prime is 145244020202447. The next prime is 145244020202459. The reversal of 145244020202453 is 354202020442541.

It is a balanced prime because it is at equal distance from previous prime (145244020202447) and next prime (145244020202459).

It can be written as a sum of positive squares in only one way, i.e., 73988778398929 + 71255241803524 = 8601673^2 + 8441282^2 .

It is a cyclic number.

It is not a de Polignac number, because 145244020202453 - 2¹⁰ = 145244020201429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145244020202459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72622010101226 + 72622010101227.

It is an arithmetic number, because the mean of its divisors is an integer number (72622010101227).

Almost surely, 2^{145244020202453} is an apocalyptic number.

It is an amenable number.

145244020202453 is a deficient number, since it is larger than the sum of its proper divisors (1).

145244020202453 is an equidigital number, since it uses as much as digits as its factorization.

145244020202453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 145244020202453 its reverse (354202020442541), we get a palindrome (499446040644994).

The spelling of 145244020202453 in words is "one hundred forty-five trillion, two hundred forty-four billion, twenty million, two hundred two thousand, four hundred fifty-three".