64463155 has 8 divisors (see below), whose sum is σ = 77630832. Its totient is φ = 51387168.

The previous prime is 64463129. The next prime is 64463171. The reversal of 64463155 is 55136446.

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

It is a cyclic number.

It is not a de Polignac number, because 64463155 - 2¹¹ = 64461107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64463155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21364 + ... + 24193.

It is an arithmetic number, because the mean of its divisors is an integer number (9703854).

Almost surely, 2^64463155 is an apocalyptic number.

64463155 is a deficient number, since it is larger than the sum of its proper divisors (13167677).

64463155 is a wasteful number, since it uses less digits than its factorization.

64463155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45845.

The product of its digits is 43200, while the sum is 34.

The square root of 64463155 is about 8028.8950049182. The cubic root of 64463155 is about 400.9625879529.

The spelling of 64463155 in words is "sixty-four million, four hundred sixty-three thousand, one hundred fifty-five".