63145634 has 8 divisors (see below), whose sum is σ = 94759248. Its totient is φ = 31559220.

The previous prime is 63145619. The next prime is 63145637. The reversal of 63145634 is 43654136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 63145634.

It is not an unprimeable number, because it can be changed into a prime (63145637) 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, 629 + ... + 11255.

It is an arithmetic number, because the mean of its divisors is an integer number (11844906).

Almost surely, 2^63145634 is an apocalyptic number.

63145634 is a deficient number, since it is larger than the sum of its proper divisors (31613614).

63145634 is a wasteful number, since it uses less digits than its factorization.

63145634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13600.

The product of its digits is 25920, while the sum is 32.

The square root of 63145634 is about 7946.4227171728. The cubic root of 63145634 is about 398.2120911954.

The spelling of 63145634 in words is "sixty-three million, one hundred forty-five thousand, six hundred thirty-four".