63283145 has 4 divisors (see below), whose sum is σ = 75939780. Its totient is φ = 50626512.

The previous prime is 63283139. The next prime is 63283153. The reversal of 63283145 is 54138236.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24482704 + 38800441 = 4948^2 + 6229^2 .

It is a cyclic number.

It is not a de Polignac number, because 63283145 - 2¹⁸ = 63021001 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6328310 + ... + 6328319.

It is an arithmetic number, because the mean of its divisors is an integer number (18984945).

Almost surely, 2^63283145 is an apocalyptic number.

It is an amenable number.

63283145 is a deficient number, since it is larger than the sum of its proper divisors (12656635).

63283145 is a wasteful number, since it uses less digits than its factorization.

63283145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12656634.

The product of its digits is 17280, while the sum is 32.

The square root of 63283145 is about 7955.0703956659. The cubic root of 63283145 is about 398.5009411578.

The spelling of 63283145 in words is "sixty-three million, two hundred eighty-three thousand, one hundred forty-five".