1455424457 has 2 divisors, whose sum is σ = 1455424458. Its totient is φ = 1455424456.

The previous prime is 1455424423. The next prime is 1455424463. The reversal of 1455424457 is 7544245541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1165607881 + 289816576 = 34141^2 + 17024^2 .

It is a cyclic number.

It is not a de Polignac number, because 1455424457 - 2¹⁶ = 1455358921 is a prime.

It is not a weakly prime, because it can be changed into another prime (1455424657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727712228 + 727712229.

It is an arithmetic number, because the mean of its divisors is an integer number (727712229).

Almost surely, 2^1455424457 is an apocalyptic number.

It is an amenable number.

1455424457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455424457 is an equidigital number, since it uses as much as digits as its factorization.

1455424457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 448000, while the sum is 41.

The square root of 1455424457 is about 38150.0256487463. The cubic root of 1455424457 is about 1133.2608598312.

Adding to 1455424457 its reverse (7544245541), we get a palindrome (8999669998).

The spelling of 1455424457 in words is "one billion, four hundred fifty-five million, four hundred twenty-four thousand, four hundred fifty-seven".