1455463081 has 2 divisors, whose sum is σ = 1455463082. Its totient is φ = 1455463080.

The previous prime is 1455463073. The next prime is 1455463091. The reversal of 1455463081 is 1803645541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 760877056 + 694586025 = 27584^2 + 26355^2 .

It is an emirp because it is prime and its reverse (1803645541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1455463081 - 2³ = 1455463073 is a prime.

It is a super-2 number, since 2×1455463081² = 4236745560308025122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1455463081.

It is not a weakly prime, because it can be changed into another prime (1455463021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727731540 + 727731541.

It is an arithmetic number, because the mean of its divisors is an integer number (727731541).

Almost surely, 2^1455463081 is an apocalyptic number.

It is an amenable number.

1455463081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455463081 is an equidigital number, since it uses as much as digits as its factorization.

1455463081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 1455463081 is about 38150.5318573673. The cubic root of 1455463081 is about 1133.2708845540.

The spelling of 1455463081 in words is "one billion, four hundred fifty-five million, four hundred sixty-three thousand, eighty-one".