63336145 has 8 divisors (see below), whose sum is σ = 78624360. Its totient is φ = 48921600.

The previous prime is 63336127. The next prime is 63336149. The reversal of 63336145 is 54163336.

It can be written as a sum of positive squares in 4 ways, for example, as 1745041 + 61591104 = 1321^2 + 7848^2 .

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

It is not a de Polignac number, because 63336145 - 2⁷ = 63336017 is a prime.

It is a super-2 number, since 2×63336145² = 8022934526922050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63336149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218256 + ... + 218545.

It is an arithmetic number, because the mean of its divisors is an integer number (9828045).

Almost surely, 2^63336145 is an apocalyptic number.

It is an amenable number.

63336145 is a deficient number, since it is larger than the sum of its proper divisors (15288215).

63336145 is a wasteful number, since it uses less digits than its factorization.

63336145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436835.

The product of its digits is 19440, while the sum is 31.

The square root of 63336145 is about 7958.4009072175. The cubic root of 63336145 is about 398.6121590628.

The spelling of 63336145 in words is "sixty-three million, three hundred thirty-six thousand, one hundred forty-five".