64165045 has 16 divisors (see below), whose sum is σ = 88374528. Its totient is φ = 43810560.

The previous prime is 64165039. The next prime is 64165061. The reversal of 64165045 is 54056146.

It is not a de Polignac number, because 64165045 - 2¹¹ = 64162997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64164998 and 64165016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4632 + ... + 12238.

It is an arithmetic number, because the mean of its divisors is an integer number (5523408).

Almost surely, 2^64165045 is an apocalyptic number.

It is an amenable number.

64165045 is a deficient number, since it is larger than the sum of its proper divisors (24209483).

64165045 is a wasteful number, since it uses less digits than its factorization.

64165045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7860.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 64165045 is about 8010.3086707068. The cubic root of 64165045 is about 400.3435486014.

The spelling of 64165045 in words is "sixty-four million, one hundred sixty-five thousand, forty-five".