1445514457 has 2 divisors, whose sum is σ = 1445514458. Its totient is φ = 1445514456.

The previous prime is 1445514449. The next prime is 1445514487. The reversal of 1445514457 is 7544155441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 917847616 + 527666841 = 30296^2 + 22971^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445514457 - 2³ = 1445514449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1445514487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722757228 + 722757229.

It is an arithmetic number, because the mean of its divisors is an integer number (722757229).

Almost surely, 2^1445514457 is an apocalyptic number.

It is an amenable number.

1445514457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445514457 is an equidigital number, since it uses as much as digits as its factorization.

1445514457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 224000, while the sum is 40.

The square root of 1445514457 is about 38019.9218436861. The cubic root of 1445514457 is about 1130.6828715062.

Adding to 1445514457 its reverse (7544155441), we get a palindrome (8989669898).

The spelling of 1445514457 in words is "one billion, four hundred forty-five million, five hundred fourteen thousand, four hundred fifty-seven".