1745342453 has 2 divisors, whose sum is σ = 1745342454. Its totient is φ = 1745342452.

The previous prime is 1745342449. The next prime is 1745342483. The reversal of 1745342453 is 3542435471.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1180472164 + 564870289 = 34358^2 + 23767^2 .

It is an emirp because it is prime and its reverse (3542435471) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1745342453 - 2² = 1745342449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1745342483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 872671226 + 872671227.

It is an arithmetic number, because the mean of its divisors is an integer number (872671227).

Almost surely, 2^1745342453 is an apocalyptic number.

It is an amenable number.

1745342453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1745342453 is an equidigital number, since it uses as much as digits as its factorization.

1745342453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 38.

The square root of 1745342453 is about 41777.2959033971. The cubic root of 1745342453 is about 1204.0011012102.

The spelling of 1745342453 in words is "one billion, seven hundred forty-five million, three hundred forty-two thousand, four hundred fifty-three".