1411145647 has 4 divisors (see below), whose sum is σ = 1411283680. Its totient is φ = 1411007616.

The previous prime is 1411145633. The next prime is 1411145731. The reversal of 1411145647 is 7465411141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1411145647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1411115647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52338 + ... + 74575.

It is an arithmetic number, because the mean of its divisors is an integer number (352820920).

Almost surely, 2^1411145647 is an apocalyptic number.

1411145647 is a deficient number, since it is larger than the sum of its proper divisors (138033).

1411145647 is a wasteful number, since it uses less digits than its factorization.

1411145647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138032.

The product of its digits is 13440, while the sum is 34.

The square root of 1411145647 is about 37565.2185804901. The cubic root of 1411145647 is about 1121.6497919898.

Adding to 1411145647 its reverse (7465411141), we get a palindrome (8876556788).

The spelling of 1411145647 in words is "one billion, four hundred eleven million, one hundred forty-five thousand, six hundred forty-seven".