64315045 has 8 divisors (see below), whose sum is σ = 78443640. Its totient is φ = 50608320.

The previous prime is 64315039. The next prime is 64315093. The reversal of 64315045 is 54051346.

It can be written as a sum of positive squares in 4 ways, for example, as 4809249 + 59505796 = 2193^2 + 7714^2 .

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

It is not a de Polignac number, because 64315045 - 2³ = 64315037 is a prime.

It is a congruent number.

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, 105130 + ... + 105739.

It is an arithmetic number, because the mean of its divisors is an integer number (9805455).

Almost surely, 2^64315045 is an apocalyptic number.

It is an amenable number.

64315045 is a deficient number, since it is larger than the sum of its proper divisors (14128595).

64315045 is a wasteful number, since it uses less digits than its factorization.

64315045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210935.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 64315045 is about 8019.6661401831. Note that the first 3 decimals coincide. The cubic root of 64315045 is about 400.6552697178.

It can be divided in two parts, 6431 and 5045, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 64315045 in words is "sixty-four million, three hundred fifteen thousand, forty-five".