1455450247 has 2 divisors, whose sum is σ = 1455450248. Its totient is φ = 1455450246.

The previous prime is 1455450163. The next prime is 1455450263. The reversal of 1455450247 is 7420545541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1455450247 - 2¹¹ = 1455448199 is a prime.

It is a super-2 number, since 2×1455450247² = 4236670842984722018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1455450277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727725123 + 727725124.

It is an arithmetic number, because the mean of its divisors is an integer number (727725124).

Almost surely, 2^1455450247 is an apocalyptic number.

1455450247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455450247 is an equidigital number, since it uses as much as digits as its factorization.

1455450247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112000, while the sum is 37.

The square root of 1455450247 is about 38150.3636548854. The cubic root of 1455450247 is about 1133.2675535543.

Adding to 1455450247 its reverse (7420545541), we get a palindrome (8875995788).

The spelling of 1455450247 in words is "one billion, four hundred fifty-five million, four hundred fifty thousand, two hundred forty-seven".