145448755453 has 2 divisors, whose sum is σ = 145448755454. Its totient is φ = 145448755452.

The previous prime is 145448755451. The next prime is 145448755469. The reversal of 145448755453 is 354557844541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144097678404 + 1351077049 = 379602^2 + 36757^2 .

It is a cyclic number.

It is not a de Polignac number, because 145448755453 - 2¹ = 145448755451 is a prime.

Together with 145448755451, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 145448755394 and 145448755403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145448755451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72724377726 + 72724377727.

It is an arithmetic number, because the mean of its divisors is an integer number (72724377727).

Almost surely, 2^145448755453 is an apocalyptic number.

It is an amenable number.

145448755453 is a deficient number, since it is larger than the sum of its proper divisors (1).

145448755453 is an equidigital number, since it uses as much as digits as its factorization.

145448755453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880000, while the sum is 55.

The spelling of 145448755453 in words is "one hundred forty-five billion, four hundred forty-eight million, seven hundred fifty-five thousand, four hundred fifty-three".