1455011447 has 2 divisors, whose sum is σ = 1455011448. Its totient is φ = 1455011446.

The previous prime is 1455011429. The next prime is 1455011471. The reversal of 1455011447 is 7441105541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1455011447 - 2¹⁰ = 1455010423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1455011647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727505723 + 727505724.

It is an arithmetic number, because the mean of its divisors is an integer number (727505724).

Almost surely, 2^1455011447 is an apocalyptic number.

1455011447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455011447 is an equidigital number, since it uses as much as digits as its factorization.

1455011447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 1455011447 is about 38144.6122932191. The cubic root of 1455011447 is about 1133.1536534545.

Adding to 1455011447 its reverse (7441105541), we get a palindrome (8896116988).

The spelling of 1455011447 in words is "one billion, four hundred fifty-five million, eleven thousand, four hundred forty-seven".