63330145 has 4 divisors (see below), whose sum is σ = 75996180. Its totient is φ = 50664112.

The previous prime is 63330143. The next prime is 63330149. The reversal of 63330145 is 54103336.

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 13712209 + 49617936 = 3703^2 + 7044^2 .

It is a cyclic number.

It is not a de Polignac number, because 63330145 - 2¹ = 63330143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63330143) 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, 6333010 + ... + 6333019.

It is an arithmetic number, because the mean of its divisors is an integer number (18999045).

Almost surely, 2^63330145 is an apocalyptic number.

It is an amenable number.

63330145 is a deficient number, since it is larger than the sum of its proper divisors (12666035).

63330145 is a wasteful number, since it uses less digits than its factorization.

63330145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12666034.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 63330145 is about 7958.0239381394. The cubic root of 63330145 is about 398.5995714718.

The spelling of 63330145 in words is "sixty-three million, three hundred thirty thousand, one hundred forty-five".