1455355243 has 2 divisors, whose sum is σ = 1455355244. Its totient is φ = 1455355242.

The previous prime is 1455355211. The next prime is 1455355259. The reversal of 1455355243 is 3425535541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1455355243 - 2⁵ = 1455355211 is a prime.

It is not a weakly prime, because it can be changed into another prime (1455355273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727677621 + 727677622.

It is an arithmetic number, because the mean of its divisors is an integer number (727677622).

Almost surely, 2^1455355243 is an apocalyptic number.

1455355243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455355243 is an equidigital number, since it uses as much as digits as its factorization.

1455355243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180000, while the sum is 37.

The square root of 1455355243 is about 38149.1185088201. The cubic root of 1455355243 is about 1133.2428951382.

It can be divided in two parts, 14553 and 55243, that added together give a palindrome (69796).

The spelling of 1455355243 in words is "one billion, four hundred fifty-five million, three hundred fifty-five thousand, two hundred forty-three".