1455256463 has 2 divisors, whose sum is σ = 1455256464. Its totient is φ = 1455256462.

The previous prime is 1455256459. The next prime is 1455256499. The reversal of 1455256463 is 3646525541.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3646525541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1455256463 - 2² = 1455256459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1455256463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1455256433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727628231 + 727628232.

It is an arithmetic number, because the mean of its divisors is an integer number (727628232).

Almost surely, 2^1455256463 is an apocalyptic number.

1455256463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455256463 is an equidigital number, since it uses as much as digits as its factorization.

1455256463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 41.

The square root of 1455256463 is about 38147.8238304625. The cubic root of 1455256463 is about 1133.2172555183.

The spelling of 1455256463 in words is "one billion, four hundred fifty-five million, two hundred fifty-six thousand, four hundred sixty-three".