1455213043 has 2 divisors, whose sum is σ = 1455213044. Its totient is φ = 1455213042.

The previous prime is 1455213007. The next prime is 1455213047. The reversal of 1455213043 is 3403125541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1455213043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1455213047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727606521 + 727606522.

It is an arithmetic number, because the mean of its divisors is an integer number (727606522).

Almost surely, 2^1455213043 is an apocalyptic number.

1455213043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455213043 is an equidigital number, since it uses as much as digits as its factorization.

1455213043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1455213043 is about 38147.2547242918. The cubic root of 1455213043 is about 1133.2059849316.

Adding to 1455213043 its reverse (3403125541), we get a palindrome (4858338584).

The spelling of 1455213043 in words is "one billion, four hundred fifty-five million, two hundred thirteen thousand, forty-three".