2145464454503 has 2 divisors, whose sum is σ = 2145464454504. Its totient is φ = 2145464454502.

The previous prime is 2145464454499. The next prime is 2145464454517. The reversal of 2145464454503 is 3054544645412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2145464454503 - 2² = 2145464454499 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145464484503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072732227251 + 1072732227252.

It is an arithmetic number, because the mean of its divisors is an integer number (1072732227252).

Almost surely, 2^{2145464454503} is an apocalyptic number.

2145464454503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145464454503 is an equidigital number, since it uses as much as digits as its factorization.

2145464454503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608000, while the sum is 47.

The spelling of 2145464454503 in words is "two trillion, one hundred forty-five billion, four hundred sixty-four million, four hundred fifty-four thousand, five hundred three".