1447274345 has 24 divisors (see below), whose sum is σ = 2021273352. Its totient is φ = 990640640.

The previous prime is 1447274317. The next prime is 1447274357. The reversal of 1447274345 is 5434727441.

It can be written as a sum of positive squares in 4 ways, for example, as 722749456 + 724524889 = 26884^2 + 26917^2 .

It is not a de Polignac number, because 1447274345 - 2²⁰ = 1446225769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60074 + ... + 80643.

It is an arithmetic number, because the mean of its divisors is an integer number (84219723).

Almost surely, 2^1447274345 is an apocalyptic number.

It is an amenable number.

1447274345 is a deficient number, since it is larger than the sum of its proper divisors (573999007).

1447274345 is a wasteful number, since it uses less digits than its factorization.

1447274345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140761 (or 140750 counting only the distinct ones).

The product of its digits is 376320, while the sum is 41.

The square root of 1447274345 is about 38043.0590909827. The cubic root of 1447274345 is about 1131.1415474716.

The spelling of 1447274345 in words is "one billion, four hundred forty-seven million, two hundred seventy-four thousand, three hundred forty-five".