1447005745 has 32 divisors (see below), whose sum is σ = 1868203008. Its totient is φ = 1072078848.

The previous prime is 1447005737. The next prime is 1447005751. The reversal of 1447005745 is 5475007441.

It is a cyclic number.

It is not a de Polignac number, because 1447005745 - 2³ = 1447005737 is a prime.

It is a super-3 number, since 3×1447005745³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 1838242 + ... + 1839028.

It is an arithmetic number, because the mean of its divisors is an integer number (58381344).

Almost surely, 2^1447005745 is an apocalyptic number.

It is an amenable number.

1447005745 is a deficient number, since it is larger than the sum of its proper divisors (421197263).

1447005745 is a wasteful number, since it uses less digits than its factorization.

1447005745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129.

The product of its (nonzero) digits is 78400, while the sum is 37.

The square root of 1447005745 is about 38039.5287168493. The cubic root of 1447005745 is about 1131.0715668633.

The spelling of 1447005745 in words is "one billion, four hundred forty-seven million, five thousand, seven hundred forty-five".