1447555481 has 2 divisors, whose sum is σ = 1447555482. Its totient is φ = 1447555480.

The previous prime is 1447555469. The next prime is 1447555493. The reversal of 1447555481 is 1845557441.

It is a balanced prime because it is at equal distance from previous prime (1447555469) and next prime (1447555493).

It can be written as a sum of positive squares in only one way, i.e., 1368630025 + 78925456 = 36995^2 + 8884^2 .

It is a cyclic number.

It is not a de Polignac number, because 1447555481 - 2¹⁴ = 1447539097 is a prime.

It is a super-2 number, since 2×1447555481² = 4190833741146282722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1447525481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723777740 + 723777741.

It is an arithmetic number, because the mean of its divisors is an integer number (723777741).

Almost surely, 2^1447555481 is an apocalyptic number.

It is an amenable number.

1447555481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1447555481 is an equidigital number, since it uses as much as digits as its factorization.

1447555481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448000, while the sum is 44.

The square root of 1447555481 is about 38046.7538825588. The cubic root of 1447555481 is about 1131.2147849156.

The spelling of 1447555481 in words is "one billion, four hundred forty-seven million, five hundred fifty-five thousand, four hundred eighty-one".