63320145 has 32 divisors (see below), whose sum is σ = 116997888. Its totient is φ = 28643328.

The previous prime is 63320111. The next prime is 63320149. The reversal of 63320145 is 54102336.

It is a happy number.

It is not a de Polignac number, because 63320145 - 2⁷ = 63320017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63320149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7077 + ... + 13293.

It is an arithmetic number, because the mean of its divisors is an integer number (3656184).

Almost surely, 2^63320145 is an apocalyptic number.

It is an amenable number.

63320145 is a deficient number, since it is larger than the sum of its proper divisors (53677743).

63320145 is a wasteful number, since it uses less digits than its factorization.

63320145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6329.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 63320145 is about 7957.3956166575. The cubic root of 63320145 is about 398.5785903864.

The spelling of 63320145 in words is "sixty-three million, three hundred twenty thousand, one hundred forty-five".